Decimal.Explicit Operatör
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
Bir nesne ile başka bir tür arasında açık bir Decimal dönüştürme tanımlar.
Aşırı Yüklemeler
Explicit(Single to Decimal) |
Tek duyarlıklı kayan noktalı bir sayının öğesine açık bir Decimaldönüştürmesini tanımlar. |
Explicit(Double to Decimal) |
Çift duyarlıklı kayan noktalı bir sayının açık dönüştürmesini tanımlar Decimal. |
Explicit(Decimal to UInt64) |
öğesinin Decimal 64 bit işaretsiz tamsayıya açık bir dönüştürmesini tanımlar. Bu API, CLS uyumlu değildir. |
Explicit(Decimal to UInt32) |
öğesinin Decimal 32 bit işaretsiz tamsayıya açık bir dönüştürmesini tanımlar. Bu API, CLS uyumlu değildir. |
Explicit(Decimal to UInt16) |
öğesinin Decimal 16 bit işaretsiz tamsayıya açık bir dönüştürmesini tanımlar. Bu API, CLS uyumlu değildir. |
Explicit(Decimal to SByte) |
öğesinin Decimal 8 bit imzalı tamsayıya açık dönüştürmesini tanımlar. Bu API, CLS uyumlu değildir. |
Explicit(Decimal to Single) |
öğesinin tek duyarlıklı kayan Decimal noktalı sayıya açık bir dönüştürmesini tanımlar. |
Explicit(Decimal to Int32) |
öğesinin Decimal 32 bit imzalı tamsayıya açık bir dönüştürmesini tanımlar. |
Explicit(Decimal to Int16) |
bir öğesinin Decimal 16 bit imzalı tamsayıya açık bir dönüştürmesini tanımlar. |
Explicit(Decimal to Double) |
bir öğesinin çift duyarlıklı kayan Decimal noktalı sayıya açık bir dönüştürmesini tanımlar. |
Explicit(Decimal to Char) |
bir öğesinin Decimal Unicode karakterine açık bir dönüştürmesini tanımlar. |
Explicit(Decimal to Byte) |
öğesinin Decimal 8 bit işaretsiz tamsayıya açık bir dönüştürmesini tanımlar. |
Explicit(Decimal to Int64) |
64 bit imzalı tamsayıya açık bir dönüştürme Decimal tanımlar. |
Explicit(Single to Decimal)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
Tek duyarlıklı kayan noktalı bir sayının öğesine açık bir Decimaldönüştürmesini tanımlar.
public:
static explicit operator System::Decimal(float value);
public static explicit operator decimal (float value);
static member op_Explicit : single -> decimal
Public Shared Narrowing Operator CType (value As Single) As Decimal
Parametreler
- value
- Single
Dönüştürülecek tek duyarlıklı kayan nokta sayısı.
Döndürülenler
Dönüştürülen tek duyarlıklı kayan nokta sayısı.
Özel durumlar
value
Decimal.MaxValue değerinden büyük veya Decimal.MinValue değerinden küçüktür.
-veya-
value
, PositiveInfinityveya NegativeInfinityşeklindedirNaN.
Örnekler
Aşağıdaki örnek, Single dönüştürme işlecini Single kullanarak değerleri Decimal sayılara Decimal dönüştürür. Bu dönüştürme için Visual Basic'teki op_Explicit işleci gerekir.
// Example of the explicit conversion from float to Decimal.
using namespace System;
#define formatter "{0,16:E7}{1,33}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the float argument; catch exceptions that are thrown.
void DecimalFromSingle( float argument )
{
Object^ decValue;
// Convert the float argument to a Decimal value.
try
{
decValue = (Decimal)argument;
}
catch ( Exception^ ex )
{
decValue = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, decValue );
}
int main()
{
Console::WriteLine( "This example of the explicit conversion from float "
"to Decimal \ngenerates the following output.\n" );
Console::WriteLine( formatter, "float argument", "Decimal value" );
Console::WriteLine( formatter, "--------------", "-------------" );
// Convert float values and display the results.
DecimalFromSingle( 1.2345E-30F );
DecimalFromSingle( 1.2345E-26F );
DecimalFromSingle( 1.23456E-22F );
DecimalFromSingle( 1.23456E-12F );
DecimalFromSingle( 1.234567F );
DecimalFromSingle( 1.234567E+12F );
DecimalFromSingle( 1.2345678E+28F );
DecimalFromSingle( 1.2345678E+30F );
}
/*
This example of the explicit conversion from float to Decimal
generates the following output.
float argument Decimal value
-------------- -------------
1.2345000E-030 0
1.2345000E-026 0.0000000000000000000000000123
1.2345600E-022 0.000000000000000000000123456
1.2345600E-012 0.00000000000123456
1.2345671E+000 1.234567
1.2345670E+012 1234567000000
1.2345678E+028 12345680000000000000000000000
1.2345678E+030 OverflowException
*/
// Example of the explicit conversion from float to decimal.
using System;
class DecimalFromSingleDemo
{
const string formatter = "{0,16:E7}{1,33}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the float argument; catch exceptions that are thrown.
public static void DecimalFromSingle( float argument )
{
object decValue;
// Convert the float argument to a decimal value.
try
{
decValue = (decimal)argument;
}
catch( Exception ex )
{
decValue = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument, decValue );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversion from float " +
"to decimal \ngenerates the following output.\n" );
Console.WriteLine( formatter, "float argument",
"decimal value" );
Console.WriteLine( formatter, "--------------",
"-------------" );
// Convert float values and display the results.
DecimalFromSingle( 1.2345E-30F );
DecimalFromSingle( 1.2345E-26F );
DecimalFromSingle( 1.23456E-22F );
DecimalFromSingle( 1.23456E-12F );
DecimalFromSingle( 1.234567F );
DecimalFromSingle( 1.234567E+12F );
DecimalFromSingle( 1.2345678E+28F );
DecimalFromSingle( 1.2345678E+30F );
}
}
/*
This example of the explicit conversion from float to decimal
generates the following output.
float argument decimal value
-------------- -------------
1.2345000E-030 0
1.2345000E-026 0.0000000000000000000000000123
1.2345600E-022 0.000000000000000000000123456
1.2345600E-012 0.00000000000123456
1.2345671E+000 1.234567
1.2345670E+012 1234567000000
1.2345678E+028 12345680000000000000000000000
1.2345678E+030 OverflowException
*/
// Example of the explicit conversion from float to decimal.
let print obj1 obj2 = printfn $"{obj1,16:E7}{obj2,33}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the float argument; catch exceptions that are thrown.
let decimalFromSingle (argument: float32) =
// Convert the float argument to a decimal value.
try
decimal argument
|> print argument
with ex ->
getExceptionType ex
|> print argument
printfn "This example of the explicit conversion from float to decimal \ngenerates the following output.\n"
print "float argument" "decimal value"
print "--------------" "-------------"
// Convert float values and display the results.
decimalFromSingle 1.2345E-30f
decimalFromSingle 1.2345E-26f
decimalFromSingle 1.23456E-22f
decimalFromSingle 1.23456E-12f
decimalFromSingle 1.234567f
decimalFromSingle 1.234567E+12f
decimalFromSingle 1.2345678E+28f
decimalFromSingle 1.2345678E+30f
// This example of the explicit conversion from float to decimal
// generates the following output.
//
// float argument decimal value
// -------------- -------------
// 1.2345000E-030 0
// 1.2345000E-026 0.0000000000000000000000000123
// 1.2345600E-022 0.000000000000000000000123456
// 1.2345600E-012 0.00000000000123456
// 1.2345671E+000 1.234567
// 1.2345670E+012 1234567000000
// 1.2345678E+028 12345680000000000000000000000
// 1.2345678E+030 OverflowException
' Example of the explicit conversion from Single to Decimal.
Module DecimalFromSingleDemo
Const formatter As String = "{0,16:E7}{1,33}"
' Get the exception type name; remove the namespace prefix.
Function GetExceptionType( ex As Exception ) As String
Dim exceptionType As String = ex.GetType( ).ToString( )
Return exceptionType.Substring( _
exceptionType.LastIndexOf( "."c ) + 1 )
End Function
' Convert the Single argument; catch exceptions that are thrown.
Sub DecimalFromSingle( argument As Single )
Dim decValue As Object
' Convert the Single argument to a Decimal value.
Try
decValue = Decimal.op_Explicit( argument )
Catch ex As Exception
decValue = GetExceptionType( ex )
End Try
' Display the Decimal.
Console.WriteLine( formatter, argument, decValue )
End Sub
Sub Main( )
Console.WriteLine( _
"This example of the explicit conversion from Single " & _
"to Decimal " & vbCrLf & "generates the following " & _
"output." & vbCrLf )
Console.WriteLine( formatter, "Single argument", _
"Decimal value" )
Console.WriteLine( formatter, "---------------", _
"-------------" )
' Convert Single values and display the results.
DecimalFromSingle( 1.2345E-30 )
DecimalFromSingle( 1.2345E-26 )
DecimalFromSingle( 1.23456E-22 )
DecimalFromSingle( 1.23456E-12 )
DecimalFromSingle( 1.234567 )
DecimalFromSingle( 1.234567E+12 )
DecimalFromSingle( 1.2345678E+28 )
DecimalFromSingle( 1.2345678E+30 )
End Sub
End Module
' This example of the explicit conversion from Single to Decimal
' generates the following output.
'
' Single argument Decimal value
' --------------- -------------
' 1.2345000E-030 0
' 1.2345000E-026 0.0000000000000000000000000123
' 1.2345600E-022 0.000000000000000000000123456
' 1.2345600E-012 0.00000000000123456
' 1.2345671E+000 1.234567
' 1.2345670E+012 1234567000000
' 1.2345678E+028 12345680000000000000000000000
' 1.2345678E+030 OverflowException
Ayrıca bkz.
Şunlara uygulanır
Explicit(Double to Decimal)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
Çift duyarlıklı kayan noktalı bir sayının açık dönüştürmesini tanımlar Decimal.
public:
static explicit operator System::Decimal(double value);
public static explicit operator decimal (double value);
static member op_Explicit : double -> decimal
Public Shared Narrowing Operator CType (value As Double) As Decimal
Parametreler
- value
- Double
Dönüştürülecek çift duyarlıklı kayan nokta sayısı.
Döndürülenler
Dönüştürülen çift duyarlıklı kayan nokta sayısı.
Özel durumlar
value
Decimal.MaxValue değerinden büyük veya Decimal.MinValue değerinden küçüktür.
-veya-
value
, PositiveInfinityveya NegativeInfinityşeklindedirNaN.
Örnekler
Aşağıdaki örnek, Double dönüştürme işlecini Double kullanarak değerleri Decimal sayılara Decimal dönüştürür. Bu dönüştürme için Visual Basic'teki op_Explicit işleci gerekir.
// Example of the explicit conversion from double to Decimal.
using namespace System;
#define formatter "{0,25:E16}{1,33}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the double argument; catch exceptions that are thrown.
void DecimalFromDouble( double argument )
{
Object^ decValue;
// Convert the double argument to a Decimal value.
try
{
decValue = (Decimal)argument;
}
catch ( Exception^ ex )
{
decValue = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, decValue );
}
int main()
{
Console::WriteLine( "This example of the explicit conversion from double "
"to Decimal \ngenerates the following output.\n" );
Console::WriteLine( formatter, "double argument", "Decimal value" );
Console::WriteLine( formatter, "---------------", "-------------" );
// Convert double values and display the results.
DecimalFromDouble( 1.234567890123E-30 );
DecimalFromDouble( 1.2345678901234E-25 );
DecimalFromDouble( 1.23456789012345E-20 );
DecimalFromDouble( 1.234567890123456E-10 );
DecimalFromDouble( 1.2345678901234567 );
DecimalFromDouble( 1.23456789012345678E+12 );
DecimalFromDouble( 1.234567890123456789E+28 );
DecimalFromDouble( 1.234567890123456789E+30 );
}
/*
This example of the explicit conversion from double to Decimal
generates the following output.
double argument Decimal value
--------------- -------------
1.2345678901230000E-030 0
1.2345678901233999E-025 0.0000000000000000000000001235
1.2345678901234499E-020 0.0000000000000000000123456789
1.2345678901234560E-010 0.000000000123456789012346
1.2345678901234567E+000 1.23456789012346
1.2345678901234568E+012 1234567890123.46
1.2345678901234568E+028 12345678901234600000000000000
1.2345678901234569E+030 OverflowException
*/
// Example of the explicit conversion from double to decimal.
using System;
class DecimalFromDoubleDemo
{
const string formatter = "{0,25:E16}{1,33}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the double argument; catch exceptions that are thrown.
public static void DecimalFromDouble( double argument )
{
object decValue;
// Convert the double argument to a decimal value.
try
{
decValue = (decimal)argument;
}
catch( Exception ex )
{
decValue = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument, decValue );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversion from double " +
"to decimal \ngenerates the following output.\n" );
Console.WriteLine( formatter, "double argument",
"decimal value" );
Console.WriteLine( formatter, "---------------",
"-------------" );
// Convert double values and display the results.
DecimalFromDouble( 1.234567890123E-30 );
DecimalFromDouble( 1.2345678901234E-25 );
DecimalFromDouble( 1.23456789012345E-20 );
DecimalFromDouble( 1.234567890123456E-10 );
DecimalFromDouble( 1.2345678901234567 );
DecimalFromDouble( 1.23456789012345678E+12 );
DecimalFromDouble( 1.234567890123456789E+28 );
DecimalFromDouble( 1.234567890123456789E+30 );
}
}
/*
This example of the explicit conversion from double to decimal
generates the following output.
double argument decimal value
--------------- -------------
1.2345678901230000E-030 0
1.2345678901233999E-025 0.0000000000000000000000001235
1.2345678901234499E-020 0.0000000000000000000123456789
1.2345678901234560E-010 0.000000000123456789012346
1.2345678901234567E+000 1.23456789012346
1.2345678901234568E+012 1234567890123.46
1.2345678901234568E+028 12345678901234600000000000000
1.2345678901234569E+030 OverflowException
*/
// Example of the explicit conversion from double to decimal.
let print obj1 obj2 = printfn $"{obj1,25:E16}{obj2,33}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the double argument; catch exceptions that are thrown.
let decimalFromDouble (argument: double) =
// Convert the double argument to a decimal value.
try
decimal argument
|> print argument
with ex ->
getExceptionType ex
|> print argument
printfn "This example of the explicit conversion from double to decimal \ngenerates the following output.\n"
print "double argument" "decimal value"
print "---------------" "-------------"
// Convert double values and display the results.
decimalFromDouble 1.234567890123E-30
decimalFromDouble 1.2345678901234E-25
decimalFromDouble 1.23456789012345E-20
decimalFromDouble 1.234567890123456E-10
decimalFromDouble 1.2345678901234567
decimalFromDouble 1.23456789012345678E+12
decimalFromDouble 1.234567890123456789E+28
decimalFromDouble 1.234567890123456789E+30
// This example of the explicit conversion from double to decimal
// generates the following output.
// double argument decimal value
// --------------- -------------
// 1.2345678901230000E-030 0
// 1.2345678901233999E-025 0.0000000000000000000000001235
// 1.2345678901234499E-020 0.0000000000000000000123456789
// 1.2345678901234560E-010 0.000000000123456789012346
// 1.2345678901234567E+000 1.23456789012346
// 1.2345678901234568E+012 1234567890123.46
// 1.2345678901234568E+028 12345678901234600000000000000
// 1.2345678901234569E+030 OverflowException
' Example of the explicit conversion from Double to Decimal.
Module DecimalFromDoubleDemo
Const formatter As String = "{0,25:E16}{1,33}"
' Get the exception type name; remove the namespace prefix.
Function GetExceptionType( ex As Exception ) As String
Dim exceptionType As String = ex.GetType( ).ToString( )
Return exceptionType.Substring( _
exceptionType.LastIndexOf( "."c ) + 1 )
End Function
' Convert the Double argument; catch exceptions that are thrown.
Sub DecimalFromDouble( argument As Double )
Dim decValue As Object
' Convert the Double argument to a Decimal value.
Try
decValue = Decimal.op_Explicit( argument )
Catch ex As Exception
decValue = GetExceptionType( ex )
End Try
' Display the Decimal.
Console.WriteLine( formatter, argument, decValue )
End Sub
Sub Main( )
Console.WriteLine( _
"This example of the explicit conversion from Double " & _
"to Decimal " & vbCrLf & "generates the following " & _
"output." & vbCrLf )
Console.WriteLine( formatter, "Double argument", _
"Decimal value" )
Console.WriteLine( formatter, "---------------", _
"-------------" )
' Convert Double values and display the results.
DecimalFromDouble( 1.234567890123E-30 )
DecimalFromDouble( 1.2345678901234E-25 )
DecimalFromDouble( 1.23456789012345E-20 )
DecimalFromDouble( 1.234567890123456E-10 )
DecimalFromDouble( 1.2345678901234567 )
DecimalFromDouble( 1.23456789012345678E+12 )
DecimalFromDouble( 1.234567890123456789E+28 )
DecimalFromDouble( 1.234567890123456789E+30 )
End Sub
End Module
' This example of the explicit conversion from Double to Decimal
' generates the following output.
'
' Double argument Decimal value
' --------------- -------------
' 1.2345678901230000E-030 0
' 1.2345678901233999E-025 0.0000000000000000000000001235
' 1.2345678901234499E-020 0.0000000000000000000123456789
' 1.2345678901234560E-010 0.000000000123456789012346
' 1.2345678901234567E+000 1.23456789012346
' 1.2345678901234568E+012 1234567890123.46
' 1.2345678901234568E+028 12345678901234600000000000000
' 1.2345678901234569E+030 OverflowException
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to UInt64)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
Önemli
Bu API, CLS uyumlu değildir.
öğesinin Decimal 64 bit işaretsiz tamsayıya açık bir dönüştürmesini tanımlar.
Bu API, CLS uyumlu değildir.
public:
static explicit operator System::UInt64(System::Decimal value);
[System.CLSCompliant(false)]
public static explicit operator ulong (decimal value);
[<System.CLSCompliant(false)>]
static member op_Explicit : decimal -> uint64
Public Shared Narrowing Operator CType (value As Decimal) As ULong
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 64 bit işaretsiz tamsayı.
- Öznitelikler
Özel durumlar
value
UInt64.MaxValue değerinden negatif veya daha büyük.
Örnekler
Aşağıdaki örnek, Decimal açık ton UInt64 dönüştürme işlecini kullanarak sayıları değerlere UInt64Decimal dönüştürür.
// Example of the explicit conversions from Decimal to __int64 and
// Decimal to unsigned __int64.
using namespace System;
#define formatter "{0,25}{1,22}{2,22}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the Decimal argument; catch exceptions that are thrown.
void DecimalToU_Int64( Decimal argument )
{
Object^ Int64Value;
Object^ UInt64Value;
// Convert the argument to an __int64 value.
try
{
Int64Value = (__int64)argument;
}
catch ( Exception^ ex )
{
Int64Value = GetExceptionType( ex );
}
// Convert the argument to an unsigned __int64 value.
try
{
UInt64Value = (unsigned __int64)argument;
}
catch ( Exception^ ex )
{
UInt64Value = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, Int64Value, UInt64Value );
}
int main()
{
Console::WriteLine( "This example of the explicit conversions from Decimal to "
"__int64 \nand Decimal to unsigned __int64 generates the "
"following output. \nIt displays several converted Decimal "
"values.\n" );
Console::WriteLine( formatter, "Decimal argument", "__int64", "unsigned __int64" );
Console::WriteLine( formatter, "----------------", "-------", "----------------" );
// Convert Decimal values and display the results.
DecimalToU_Int64( Decimal::Parse( "123" ) );
DecimalToU_Int64( Decimal(123000,0,0,false,3) );
DecimalToU_Int64( Decimal::Parse( "123.999" ) );
DecimalToU_Int64( Decimal::Parse( "18446744073709551615.999" ) );
DecimalToU_Int64( Decimal::Parse( "18446744073709551616" ) );
DecimalToU_Int64( Decimal::Parse( "9223372036854775807.999" ) );
DecimalToU_Int64( Decimal::Parse( "9223372036854775808" ) );
DecimalToU_Int64( Decimal::Parse( "-0.999" ) );
DecimalToU_Int64( Decimal::Parse( "-1" ) );
DecimalToU_Int64( Decimal::Parse( "-9223372036854775808.999" ) );
DecimalToU_Int64( Decimal::Parse( "-9223372036854775809" ) );
}
/*
This example of the explicit conversions from Decimal to __int64
and Decimal to unsigned __int64 generates the following output.
It displays several converted Decimal values.
Decimal argument __int64 unsigned __int64
---------------- ------- ----------------
123 123 123
123.000 123 123
123.999 123 123
18446744073709551615.999 OverflowException 18446744073709551615
18446744073709551616 OverflowException OverflowException
9223372036854775807.999 9223372036854775807 9223372036854775807
9223372036854775808 OverflowException 9223372036854775808
-0.999 0 0
-1 -1 OverflowException
-9223372036854775808.999 -9223372036854775808 OverflowException
-9223372036854775809 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to long and
// decimal to ulong.
using System;
class DecimalToU_Int64Demo
{
const string formatter = "{0,25}{1,22}{2,22}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the decimal argument; catch exceptions that are thrown.
public static void DecimalToU_Int64( decimal argument )
{
object Int64Value;
object UInt64Value;
// Convert the argument to a long value.
try
{
Int64Value = (long)argument;
}
catch( Exception ex )
{
Int64Value = GetExceptionType( ex );
}
// Convert the argument to a ulong value.
try
{
UInt64Value = (ulong)argument;
}
catch( Exception ex )
{
UInt64Value = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument,
Int64Value, UInt64Value );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversions from decimal " +
"to long \nand decimal to ulong generates the following " +
"output. It displays \nseveral converted decimal " +
"values.\n" );
Console.WriteLine( formatter, "decimal argument",
"long/exception", "ulong/exception" );
Console.WriteLine( formatter, "----------------",
"--------------", "---------------" );
// Convert decimal values and display the results.
DecimalToU_Int64( 123M );
DecimalToU_Int64( new decimal( 123000, 0, 0, false, 3 ) );
DecimalToU_Int64( 123.999M );
DecimalToU_Int64( 18446744073709551615.999M );
DecimalToU_Int64( 18446744073709551616M );
DecimalToU_Int64( 9223372036854775807.999M );
DecimalToU_Int64( 9223372036854775808M );
DecimalToU_Int64( - 0.999M );
DecimalToU_Int64( - 1M );
DecimalToU_Int64( - 9223372036854775808.999M );
DecimalToU_Int64( - 9223372036854775809M );
}
}
/*
This example of the explicit conversions from decimal to long
and decimal to ulong generates the following output. It displays
several converted decimal values.
decimal argument long/exception ulong/exception
---------------- -------------- ---------------
123 123 123
123.000 123 123
123.999 123 123
18446744073709551615.999 OverflowException 18446744073709551615
18446744073709551616 OverflowException OverflowException
9223372036854775807.999 9223372036854775807 9223372036854775807
9223372036854775808 OverflowException 9223372036854775808
-0.999 0 0
-1 -1 OverflowException
-9223372036854775808.999 -9223372036854775808 OverflowException
-9223372036854775809 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to long and
// decimal to ulong.
let print obj1 obj2 obj3 = printfn $"{obj1,25}{obj2,22}{obj3,22}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the decimal argument; catch exceptions that are thrown.
let decimalToU_Int64 (argument: decimal) =
let int32Value: obj =
// Convert the argument to a int64 value.
try
int32 argument
with ex -> getExceptionType ex
let uint32Value: obj =
// Convert the argument to a uint64 value.
try
uint32 argument
with ex -> getExceptionType ex
print argument int32Value uint32Value
printfn "This example of the explicit conversions from decimal to long\nand decimal to ulong generates the following output. It displays\nseveral converted decimal values.\n"
print "decimal argument" "long/exception" "ulong/exception"
print "----------------" "--------------" "---------------"
// Convert decimal values and display the results.
decimalToU_Int64 123M
decimalToU_Int64 (new decimal(123000, 0, 0, false, 3uy))
decimalToU_Int64 123.999M
decimalToU_Int64 18446744073709551615.999M
decimalToU_Int64 18446744073709551616M
decimalToU_Int64 9223372036854775807.999M
decimalToU_Int64 9223372036854775808M
decimalToU_Int64 -0.999M
decimalToU_Int64 -1M
decimalToU_Int64 -9223372036854775808.999M
decimalToU_Int64 -9223372036854775809M
// This example of the explicit conversions from decimal to long
// and decimal to ulong generates the following output. It displays
// several converted decimal values.
//
// decimal argument long/exception ulong/exception
// ---------------- -------------- ---------------
// 123 123 123
// 123.000 123 123
// 123.999 123 123
// 18446744073709551615.999 OverflowException 18446744073709551615
// 18446744073709551616 OverflowException OverflowException
// 9223372036854775807.999 9223372036854775807 9223372036854775807
// 9223372036854775808 OverflowException 9223372036854775808
// -0.999 0 0
// -1 -1 OverflowException
// -9223372036854775808.999 -9223372036854775808 OverflowException
// -9223372036854775809 OverflowException OverflowException
' Example of the explicit conversions from Decimal to Long and
' Decimal to ULong.
Module DecimalToU_Int64Demo
Const formatter As String = "{0,25}{1,22}{2,22}"
' Convert the decimal argument catch exceptions that are thrown.
Public Sub DecimalToU_Int64(argument As Decimal)
Dim Int64Value As Object
Dim UInt64Value As Object
' Convert the argument to a long value.
Try
Int64Value = CLng(argument)
Catch ex As Exception
Int64Value = ex.GetType().Name
End Try
' Convert the argument to a ulong value.
Try
UInt64Value = CULng(argument)
Catch ex As Exception
UInt64Value = ex.GetType().Name
End Try
Console.WriteLine(formatter, argument, _
Int64Value, UInt64Value)
End Sub
Public Sub Main( )
Console.WriteLine( formatter, "Decimal argument", _
"Long/Exception", "ULong/Exception" )
Console.WriteLine( formatter, "----------------", _
"--------------", "---------------" )
' Convert decimal values and display the results.
DecimalToU_Int64(123d)
DecimalToU_Int64(New Decimal(123000, 0, 0, False, 3))
DecimalToU_Int64(123.999d)
DecimalToU_Int64(18446744073709551615.999d)
DecimalToU_Int64(18446744073709551616d)
DecimalToU_Int64(9223372036854775807.999d)
DecimalToU_Int64(9223372036854775808d)
DecimalToU_Int64(-0.999d)
DecimalToU_Int64(-1d)
DecimalToU_Int64(-9223372036854775808.999d)
DecimalToU_Int64(-9223372036854775809d)
End Sub
End Module
' The example displays the following output to the console:
' Decimal argument Long/Exception ULong/Exception
' ---------------- -------------- ---------------
' 123 123 123
' 123.000 123 123
' 123.999 124 124
' 18446744073709551615.999 OverflowException OverflowException
' 18446744073709551616 OverflowException OverflowException
' 9223372036854775807.999 OverflowException 9223372036854775808
' 9223372036854775808 OverflowException 9223372036854775808
' -0.999 -1 OverflowException
' -1 -1 OverflowException
' -9223372036854775808.999 OverflowException OverflowException
' -9223372036854775809 OverflowException OverflowException
Açıklamalar
Bu işleç, açık dönüştürmeyi DecimalUInt64destekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C# ve Visual Basic kullanarak bir değeri açıkça bir DecimalUInt64 değere dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToUInt64(Decimal) yöntemini çağırabilirsinizDecimal.ToUInt64(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to UInt32)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
öğesinin Decimal 32 bit işaretsiz tamsayıya açık bir dönüştürmesini tanımlar.
Bu API, CLS uyumlu değildir.
public:
static explicit operator System::UInt32(System::Decimal value);
[System.CLSCompliant(false)]
public static explicit operator uint (decimal value);
[<System.CLSCompliant(false)>]
static member op_Explicit : decimal -> uint32
Public Shared Narrowing Operator CType (value As Decimal) As UInteger
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 32 bit işaretsiz tamsayı.
- Öznitelikler
Özel durumlar
value
UInt32.MinValue değerinden küçük veya UInt32.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, Decimal açık ton UInt32 dönüştürme işlecini kullanarak sayıları değerlere UInt32Decimal dönüştürür.
// Example of the explicit conversions from Decimal to int and
// Decimal to unsigned int.
using namespace System;
#define formatter "{0,17}{1,19}{2,19}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the Decimal argument; catch exceptions that are thrown.
void DecimalToU_Int32( Decimal argument )
{
Object^ Int32Value;
Object^ UInt32Value;
// Convert the argument to an int value.
try
{
Int32Value = (int)argument;
}
catch ( Exception^ ex )
{
Int32Value = GetExceptionType( ex );
}
// Convert the argument to an unsigned int value.
try
{
UInt32Value = (unsigned int)argument;
}
catch ( Exception^ ex )
{
UInt32Value = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, Int32Value, UInt32Value );
}
int main()
{
Console::WriteLine( "This example of the explicit conversions from Decimal to "
"int \nand Decimal to unsigned int generates the "
"following output. \nIt displays several converted Decimal "
"values.\n" );
Console::WriteLine( formatter, "Decimal argument", "int", "unsigned int" );
Console::WriteLine( formatter, "----------------", "---", "------------" );
// Convert Decimal values and display the results.
DecimalToU_Int32( Decimal::Parse( "123" ) );
DecimalToU_Int32( Decimal(123000,0,0,false,3) );
DecimalToU_Int32( Decimal::Parse( "123.999" ) );
DecimalToU_Int32( Decimal::Parse( "4294967295.999" ) );
DecimalToU_Int32( Decimal::Parse( "4294967296" ) );
DecimalToU_Int32( Decimal::Parse( "2147483647.999" ) );
DecimalToU_Int32( Decimal::Parse( "2147483648" ) );
DecimalToU_Int32( Decimal::Parse( "-0.999" ) );
DecimalToU_Int32( Decimal::Parse( "-1" ) );
DecimalToU_Int32( Decimal::Parse( "-2147483648.999" ) );
DecimalToU_Int32( Decimal::Parse( "-2147483649" ) );
}
/*
This example of the explicit conversions from Decimal to int
and Decimal to unsigned int generates the following output.
It displays several converted Decimal values.
Decimal argument int unsigned int
---------------- --- ------------
123 123 123
123.000 123 123
123.999 123 123
4294967295.999 OverflowException 4294967295
4294967296 OverflowException OverflowException
2147483647.999 2147483647 2147483647
2147483648 OverflowException 2147483648
-0.999 0 0
-1 -1 OverflowException
-2147483648.999 -2147483648 OverflowException
-2147483649 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to int and
// decimal to uint.
using System;
class DecimalToU_Int32Demo
{
const string formatter = "{0,17}{1,19}{2,19}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the decimal argument; catch exceptions that are thrown.
public static void DecimalToU_Int32( decimal argument )
{
object Int32Value;
object UInt32Value;
// Convert the argument to an int value.
try
{
Int32Value = (int)argument;
}
catch( Exception ex )
{
Int32Value = GetExceptionType( ex );
}
// Convert the argument to a uint value.
try
{
UInt32Value = (uint)argument;
}
catch( Exception ex )
{
UInt32Value = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument,
Int32Value, UInt32Value );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversions from decimal " +
"to int \nand decimal to uint generates the following " +
"output. It displays \nseveral converted decimal " +
"values.\n" );
Console.WriteLine( formatter, "decimal argument",
"int/exception", "uint/exception" );
Console.WriteLine( formatter, "----------------",
"-------------", "--------------" );
// Convert decimal values and display the results.
DecimalToU_Int32( 123M );
DecimalToU_Int32( new decimal( 123000, 0, 0, false, 3 ) );
DecimalToU_Int32( 123.999M );
DecimalToU_Int32( 4294967295.999M );
DecimalToU_Int32( 4294967296M );
DecimalToU_Int32( 2147483647.999M );
DecimalToU_Int32( 2147483648M );
DecimalToU_Int32( - 0.999M );
DecimalToU_Int32( - 1M );
DecimalToU_Int32( - 2147483648.999M );
DecimalToU_Int32( - 2147483649M );
}
}
/*
This example of the explicit conversions from decimal to int
and decimal to uint generates the following output. It displays
several converted decimal values.
decimal argument int/exception uint/exception
---------------- ------------- --------------
123 123 123
123.000 123 123
123.999 123 123
4294967295.999 OverflowException 4294967295
4294967296 OverflowException OverflowException
2147483647.999 2147483647 2147483647
2147483648 OverflowException 2147483648
-0.999 0 0
-1 -1 OverflowException
-2147483648.999 -2147483648 OverflowException
-2147483649 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to int and
// decimal to uint.
let print obj1 obj2 obj3 = printfn $"{obj1,17}{obj2,19}{obj3,19}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the decimal argument; catch exceptions that are thrown.
let decimalToU_Int32 (argument: decimal) =
let int32Value: obj =
// Convert the argument to a int32 value.
try
int32 argument
with ex -> getExceptionType ex
let uint32Value: obj =
// Convert the argument to a uint32 value.
try
uint32 argument
with ex -> getExceptionType ex
print argument int32Value uint32Value
printfn "This example of the explicit conversions from decimal to int\nand decimal to uint generates the following output. It displays\nseveral converted decimal values.\n"
print "decimal argument" "int/exception" "uint/exception"
print "----------------" "-------------" "--------------"
// Convert decimal values and display the results.
decimalToU_Int32 123M
decimalToU_Int32 (new decimal(123000, 0, 0, false, 3uy))
decimalToU_Int32 123.999M
decimalToU_Int32 4294967295.999M
decimalToU_Int32 4294967296M
decimalToU_Int32 2147483647.999M
decimalToU_Int32 2147483648M
decimalToU_Int32 -0.999M
decimalToU_Int32 -1M
decimalToU_Int32 -2147483648.999M
decimalToU_Int32 -2147483649M
// This example of the explicit conversions from decimal to int
// and decimal to uint generates the following output. It displays
// several converted decimal values.
//
// decimal argument int/exception uint/exception
// ---------------- ------------- --------------
// 123 123 123
// 123.000 123 123
// 123.999 123 123
// 4294967295.999 OverflowException 4294967295
// 4294967296 OverflowException OverflowException
// 2147483647.999 2147483647 2147483647
// 2147483648 OverflowException 2147483648
// -0.999 0 0
// -1 -1 OverflowException
// -2147483648.999 -2147483648 OverflowException
// -2147483649 OverflowException OverflowException
' Example of the explicit conversions from Decimal to Integer and
' Decimal to UInteger.
Module DecimalToU_Int32Demo
Const formatter As String = "{0,17}{1,19}{2,19}"
' Convert the decimal argument catch exceptions that are thrown.
Public Sub DecimalToU_Int32(argument As Decimal)
Dim Int32Value As Object
Dim UInt32Value As Object
' Convert the argument to an int value.
Try
Int32Value = CInt(argument)
Catch ex As Exception
Int32Value = ex.GetType().Name
End Try
' Convert the argument to a uint value.
Try
UInt32Value = CUInt(argument)
Catch ex As Exception
UInt32Value = ex.GetType().Name
End Try
Console.WriteLine(formatter, argument, _
Int32Value, UInt32Value)
End Sub
Public Sub Main( )
Console.WriteLine( formatter, "Decimal Argument", _
"Integer/Exception", "UInteger/Exception" )
Console.WriteLine( formatter, "----------------", _
"-------------", "--------------" )
' Convert decimal values and display the results.
DecimalToU_Int32( 123d)
DecimalToU_Int32(New Decimal(123000, 0, 0, False, 3))
DecimalToU_Int32(123.999d)
DecimalToU_Int32(4294967295.999d)
DecimalToU_Int32(4294967296d)
DecimalToU_Int32(2147483647.999d)
DecimalToU_Int32(2147483648d)
DecimalToU_Int32(-0.999d)
DecimalToU_Int32(-1d)
DecimalToU_Int32(-2147483648.999d)
DecimalToU_Int32(-2147483649d)
End Sub
End Module
' The example displays the following output to the console:
' Decimal Argument Integer/Exception UInteger/Exception
' ---------------- ------------- --------------
' 123 123 123
' 123.000 123 123
' 123.999 124 124
' 4294967295.999 OverflowException OverflowException
' 4294967296 OverflowException OverflowException
' 2147483647.999 OverflowException 2147483648
' 2147483648 OverflowException 2147483648
' -0.999 -1 OverflowException
' -1 -1 OverflowException
' -2147483648.999 OverflowException OverflowException
' -2147483649 OverflowException OverflowException
Açıklamalar
Bu işleç, açık dönüştürmeyi DecimalUInt32destekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C# ve Visual Basic kullanarak bir değeri açıkça bir DecimalUInt32 değere dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToUInt32(Decimal) yöntemini çağırabilirsinizDecimal.ToUInt32(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to UInt16)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
Önemli
Bu API, CLS uyumlu değildir.
öğesinin Decimal 16 bit işaretsiz tamsayıya açık bir dönüştürmesini tanımlar.
Bu API, CLS uyumlu değildir.
public:
static explicit operator System::UInt16(System::Decimal value);
[System.CLSCompliant(false)]
public static explicit operator ushort (decimal value);
[<System.CLSCompliant(false)>]
static member op_Explicit : decimal -> uint16
Public Shared Narrowing Operator CType (value As Decimal) As UShort
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 16 bit işaretsiz tamsayı.
- Öznitelikler
Özel durumlar
value
UInt16.MinValue değerinden küçük veya UInt16.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, Decimal açık ton UInt16 dönüştürme işlecini kullanarak sayıları değerlere UInt16Decimal dönüştürür.
// Example of the explicit conversions from Decimal to short and
// Decimal to unsigned short.
using namespace System;
#define formatter "{0,16}{1,19}{2,19}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the Decimal argument; catch exceptions that are thrown.
void DecimalToU_Int16( Decimal argument )
{
Object^ Int16Value;
Object^ UInt16Value;
// Convert the argument to a short value.
try
{
Int16Value = (short)argument;
}
catch ( Exception^ ex )
{
Int16Value = GetExceptionType( ex );
}
// Convert the argument to an unsigned short value.
try
{
UInt16Value = (unsigned short)argument;
}
catch ( Exception^ ex )
{
UInt16Value = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, Int16Value, UInt16Value );
}
int main()
{
Console::WriteLine( "This example of the explicit conversions from Decimal to "
"short \nand Decimal to unsigned short generates the "
"following output. \nIt displays several converted Decimal "
"values.\n" );
Console::WriteLine( formatter, "Decimal argument", "short", "unsigned short" );
Console::WriteLine( formatter, "----------------", "-----", "--------------" );
// Convert Decimal values and display the results.
DecimalToU_Int16( Decimal::Parse( "123" ) );
DecimalToU_Int16( Decimal(123000,0,0,false,3) );
DecimalToU_Int16( Decimal::Parse( "123.999" ) );
DecimalToU_Int16( Decimal::Parse( "65535.999" ) );
DecimalToU_Int16( Decimal::Parse( "65536" ) );
DecimalToU_Int16( Decimal::Parse( "32767.999" ) );
DecimalToU_Int16( Decimal::Parse( "32768" ) );
DecimalToU_Int16( Decimal::Parse( "-0.999" ) );
DecimalToU_Int16( Decimal::Parse( "-1" ) );
DecimalToU_Int16( Decimal::Parse( "-32768.999" ) );
DecimalToU_Int16( Decimal::Parse( "-32769" ) );
}
/*
This example of the explicit conversions from Decimal to short
and Decimal to unsigned short generates the following output.
It displays several converted Decimal values.
Decimal argument short unsigned short
---------------- ----- --------------
123 123 123
123.000 123 123
123.999 123 123
65535.999 OverflowException 65535
65536 OverflowException OverflowException
32767.999 32767 32767
32768 OverflowException 32768
-0.999 0 0
-1 -1 OverflowException
-32768.999 -32768 OverflowException
-32769 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to short and
// decimal to ushort.
using System;
class DecimalToU_Int16Demo
{
const string formatter = "{0,16}{1,19}{2,19}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the decimal argument; catch exceptions that are thrown.
public static void DecimalToU_Int16( decimal argument )
{
object Int16Value;
object UInt16Value;
// Convert the argument to a short value.
try
{
Int16Value = (short)argument;
}
catch( Exception ex )
{
Int16Value = GetExceptionType( ex );
}
// Convert the argument to a ushort value.
try
{
UInt16Value = (ushort)argument;
}
catch( Exception ex )
{
UInt16Value = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument,
Int16Value, UInt16Value );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversions from decimal " +
"to short \nand decimal to ushort generates the " +
"following output. It displays \nseveral converted " +
"decimal values.\n" );
Console.WriteLine( formatter, "decimal argument",
"short/exception", "ushort/exception" );
Console.WriteLine( formatter, "----------------",
"---------------", "----------------" );
// Convert decimal values and display the results.
DecimalToU_Int16( 123M );
DecimalToU_Int16( new decimal( 123000, 0, 0, false, 3 ) );
DecimalToU_Int16( 123.999M );
DecimalToU_Int16( 65535.999M );
DecimalToU_Int16( 65536M );
DecimalToU_Int16( 32767.999M );
DecimalToU_Int16( 32768M );
DecimalToU_Int16( - 0.999M );
DecimalToU_Int16( - 1M );
DecimalToU_Int16( - 32768.999M );
DecimalToU_Int16( - 32769M );
}
}
/*
This example of the explicit conversions from decimal to short
and decimal to ushort generates the following output. It displays
several converted decimal values.
decimal argument short/exception ushort/exception
---------------- --------------- ----------------
123 123 123
123.000 123 123
123.999 123 123
65535.999 OverflowException 65535
65536 OverflowException OverflowException
32767.999 32767 32767
32768 OverflowException 32768
-0.999 0 0
-1 -1 OverflowException
-32768.999 -32768 OverflowException
-32769 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to short and
// decimal to ushort.
let print obj1 obj2 obj3 =
printfn $"{obj1, 16}{obj2, 19}{obj3, 19}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the decimal argument; catch exceptions that are thrown.
let decimalToU_Int16 (argument: decimal) =
let int16Value: obj =
// Convert the argument to a int16 value.
try
int16 argument
with ex -> getExceptionType ex
let uint16Value: obj =
// Convert the argument to a uint16 value.
try
uint16 argument
with ex -> getExceptionType ex
print argument int16Value uint16Value
printfn "This example of the explicit conversions from decimal to short\nand decimal to ushort generates the following output. It displays \nseveral converted decimal values.\n"
print "decimal argument" "short/exception" "ushort/exception"
print "----------------" "---------------" "----------------"
// Convert decimal values and display the results.
decimalToU_Int16 123M
decimalToU_Int16 (new decimal (123000, 0, 0, false, 3uy))
decimalToU_Int16 123.999M
decimalToU_Int16 65535.999M
decimalToU_Int16 65536M
decimalToU_Int16 32767.999M
decimalToU_Int16 32768M
decimalToU_Int16 -0.999M
decimalToU_Int16 -1M
decimalToU_Int16 -32768.999M
decimalToU_Int16 -32769M
// This example of the explicit conversions from decimal to short
// and decimal to ushort generates the following output. It displays
// several converted decimal values.
//
// decimal argument short/exception ushort/exception
// ---------------- --------------- ----------------
// 123 123 123
// 123.000 123 123
// 123.999 123 123
// 65535.999 OverflowException 65535
// 65536 OverflowException OverflowException
// 32767.999 32767 32767
// 32768 OverflowException 32768
// -0.999 0 0
// -1 -1 OverflowException
// -32768.999 -32768 OverflowException
// -32769 OverflowException OverflowException
' Example of the explicit conversions from Decimal to Short and
' Decimal to UShort.
Module DecimalToU_Int16Demo
Const formatter As String = "{0,16}{1,19}{2,19}"
' Convert the decimal argument and catch exceptions that are thrown.
Public Sub DecimalToU_Int16(argument As Decimal)
Dim Int16Value As Object
Dim UInt16Value As Object
' Convert the argument to a Short value.
Try
Int16Value = CShort(argument)
Catch ex As Exception
Int16Value = ex.GetType().Name
End Try
' Convert the argument to a UShort value.
Try
UInt16Value = CUShort(argument)
Catch ex As Exception
UInt16Value = ex.GetType().Name
End Try
Console.WriteLine( formatter, argument, _
Int16Value, UInt16Value )
End Sub
Public Sub Main( )
Console.WriteLine( formatter, "Decimal argument", _
"Short/Exception", "UShort/Exception" )
Console.WriteLine( formatter, "----------------", _
"---------------", "----------------" )
' Convert decimal values and display the results.
DecimalToU_Int16(123d)
DecimalToU_Int16(New Decimal( 123000, 0, 0, False, 3 ))
DecimalToU_Int16(123.999d)
DecimalToU_Int16(65535.999d)
DecimalToU_Int16(65536d)
DecimalToU_Int16(32767.999d)
DecimalToU_Int16(32768d)
DecimalToU_Int16(-0.999d)
DecimalToU_Int16(-1d)
DecimalToU_Int16(-32768.999d)
DecimalToU_Int16(-32769d)
End Sub
End Module
' This example displays the following output to the console:
' Decimal argument Short/Exception UShort/Exception
' ---------------- --------------- ----------------
' 123 123 123
' 123.000 123 123
' 123.999 124 124
' 65535.999 OverflowException OverflowException
' 65536 OverflowException OverflowException
' 32767.999 OverflowException 32768
' 32768 OverflowException 32768
' -0.999 -1 OverflowException
' -1 -1 OverflowException
' -32768.999 OverflowException OverflowException
' -32769 OverflowException OverflowException
Açıklamalar
Bu işleç, açık dönüştürmeyi DecimalUInt16destekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C# ve Visual Basic kullanarak bir değeri açıkça bir DecimalUInt16 değere dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToUInt16(Decimal) yöntemini çağırabilirsinizDecimal.ToUInt16(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to SByte)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
öğesinin Decimal 8 bit imzalı tamsayıya açık dönüştürmesini tanımlar.
Bu API, CLS uyumlu değildir.
public:
static explicit operator System::SByte(System::Decimal value);
[System.CLSCompliant(false)]
public static explicit operator sbyte (decimal value);
[<System.CLSCompliant(false)>]
static member op_Explicit : decimal -> sbyte
Public Shared Narrowing Operator CType (value As Decimal) As SByte
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 8 bit imzalı tamsayı.
- Öznitelikler
Özel durumlar
value
SByte.MinValue değerinden küçük veya SByte.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, Decimal açık ton SByte dönüştürme işlecini kullanarak sayıları değerlere SByteDecimal dönüştürür.
using namespace System;
void main()
{
// Define an array of decimal values.
array<Decimal>^ values = { Decimal::Parse("78"),
Decimal(78000,0,0,false,3),
Decimal::Parse("78.999"),
Decimal::Parse("255.999"),
Decimal::Parse("256"),
Decimal::Parse("127.999"),
Decimal::Parse("128"),
Decimal::Parse("-0.999"),
Decimal::Parse("-1"),
Decimal::Parse("-128.999"),
Decimal::Parse("-129") };
for each (Decimal value in values) {
try {
SByte byteValue = (SByte) value;
Console::WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType()->Name, byteValue,
byteValue.GetType()->Name);
}
catch (OverflowException^ e) {
Console::WriteLine("OverflowException: Cannot convert {0}",
value);
}
}
}
// The example displays the following output:
// 78 (Decimal) --> 78 (SByte)
// 78.000 (Decimal) --> 78 (SByte)
// 78.999 (Decimal) --> 78 (SByte)
// OverflowException: Cannot convert 255.999
// OverflowException: Cannot convert 256
// 127.999 (Decimal) --> 127 (SByte)
// OverflowException: Cannot convert 128
// -0.999 (Decimal) --> 0 (SByte)
// -1 (Decimal) --> -1 (SByte)
// -128.999 (Decimal) --> -128 (SByte)
// OverflowException: Cannot convert -129
using System;
class Example
{
public static void Main()
{
// Define an array of decimal values.
decimal[] values = { 78m, new Decimal(78000, 0, 0, false, 3),
78.999m, 255.999m, 256m, 127.999m,
128m, -0.999m, -1m, -128.999m, -129m };
foreach (var value in values) {
try {
SByte byteValue = (SByte) value;
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, byteValue,
byteValue.GetType().Name);
}
catch (OverflowException) {
Console.WriteLine("OverflowException: Cannot convert {0}",
value);
}
}
}
}
// The example displays the following output:
// 78 (Decimal) --> 78 (SByte)
// 78.000 (Decimal) --> 78 (SByte)
// 78.999 (Decimal) --> 78 (SByte)
// OverflowException: Cannot convert 255.999
// OverflowException: Cannot convert 256
// 127.999 (Decimal) --> 127 (SByte)
// OverflowException: Cannot convert 128
// -0.999 (Decimal) --> 0 (SByte)
// -1 (Decimal) --> -1 (SByte)
// -128.999 (Decimal) --> -128 (SByte)
// OverflowException: Cannot convert -129
open System
// Define a list of decimal values.
let values =
[ 78m; Decimal(78000, 0, 0, false, 3uy)
78.999m; 255.999m; 256m; 127.999m
128m; -0.999m; -1m; -128.999m; -129m ]
for value in values do
try
let byteValue = int8 value
printfn $"{value} ({value.GetType().Name}) --> {byteValue} ({byteValue.GetType().Name})"
with :? OverflowException ->
printfn $"OverflowException: Cannot convert {value}"
// The example displays the following output:
// 78 (Decimal) --> 78 (SByte)
// 78.000 (Decimal) --> 78 (SByte)
// 78.999 (Decimal) --> 78 (SByte)
// OverflowException: Cannot convert 255.999
// OverflowException: Cannot convert 256
// 127.999 (Decimal) --> 127 (SByte)
// OverflowException: Cannot convert 128
// -0.999 (Decimal) --> 0 (SByte)
// -1 (Decimal) --> -1 (SByte)
// -128.999 (Decimal) --> -128 (SByte)
// OverflowException: Cannot convert -129
Option Strict On
Module Example
Public Sub Main()
' Define an array of decimal values.
Dim values() As Decimal = { 78d, New Decimal(78000, 0, 0, False, 3),
78.999d, 255.999d, 256d, 127.999d,
128d, -0.999d, -1d, -128.999d,
-129d }
For Each value In values
Try
Dim byteValue As SByte = CSByte(value)
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, byteValue,
byteValue.GetType().Name)
Catch e As OverflowException
Console.WriteLine("OverflowException: Cannot convert {0}",
value)
End Try
Next
End Sub
End Module
' The example displays the following output:
' 78 (Decimal) --> 78 (SByte)
' 78.000 (Decimal) --> 78 (SByte)
' 78.999 (Decimal) --> 79 (SByte)
' OverflowException: Cannot convert 255.999
' OverflowException: Cannot convert 256
' OverflowException: Cannot convert 127.999
' OverflowException: Cannot convert 128
' -0.999 (Decimal) --> -1 (SByte)
' -1 (Decimal) --> -1 (SByte)
' OverflowException: Cannot convert -128.999
' OverflowException: Cannot convert -129
Açıklamalar
Bu işleç, açık dönüştürmeyi DecimalSBytedestekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C# ve Visual Basic kullanarak bir Decimal değeri ve SByte değerine Byte açıkça dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için yöntemini veya Convert.ToSByte(Decimal) yöntemini çağırabilirsinizDecimal.ToSByte(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to Single)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
bir öğesinin tek duyarlıklı kayan Decimal noktalı sayıya açık dönüştürmesini tanımlar.
public:
static explicit operator float(System::Decimal value);
public static explicit operator float (decimal value);
static member op_Explicit : decimal -> single
Public Shared Narrowing Operator CType (value As Decimal) As Single
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden tek duyarlıklı kayan noktalı sayı.
Örnekler
Aşağıdaki örnek, Decimal açık ton Single dönüştürme işlecini kullanarak sayıları değerlere SingleDecimal dönüştürür.
using namespace System;
void main()
{
// Define an array of Decimal values.
array<Decimal>^ values = { Decimal::Parse("0.0000000000000000000000000001"),
Decimal::Parse("0.0000000000123456789123456789"),
Decimal::Parse("123"),
Decimal(123000000, 0, 0, false, 6),
Decimal::Parse("123456789.123456789"),
Decimal::Parse("123456789123456789123456789"),
Decimal::MinValue, Decimal::MaxValue };
// Convert each value to a double.
for each (Decimal value in values) {
float dblValue = (float) value;
Console::WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType()->Name, dblValue,
dblValue.GetType()->Name);
}
}
// The example displays the following output:
// 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Single)
// 0.0000000000123456789123456789 (Decimal) --> 1.234568E-11 (Single)
// 123 (Decimal) --> 123 (Single)
// 123.000000 (Decimal) --> 123 (Single)
// 123456789.123456789 (Decimal) --> 1.234568E+08 (Single)
// 123456789123456789123456789 (Decimal) --> 1.234568E+26 (Single)
// -79228162514264337593543950335 (Decimal) --> -7.922816E+28 (Single)
// 79228162514264337593543950335 (Decimal) --> 7.922816E+28 (Single)
using System;
class Example
{
public static void Main( )
{
// Define an array of decimal values.
decimal[] values = { 0.0000000000000000000000000001M,
0.0000000000123456789123456789M,
123M, new decimal(123000000, 0, 0, false, 6),
123456789.123456789M,
123456789123456789123456789M,
decimal.MinValue, decimal.MaxValue };
// Convert each value to a double.
foreach (var value in values) {
float dblValue = (float) value;
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, dblValue,
dblValue.GetType().Name);
}
}
}
// The example displays the following output:
// 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Single)
// 0.0000000000123456789123456789 (Decimal) --> 1.234568E-11 (Single)
// 123 (Decimal) --> 123 (Single)
// 123.000000 (Decimal) --> 123 (Single)
// 123456789.123456789 (Decimal) --> 1.234568E+08 (Single)
// 123456789123456789123456789 (Decimal) --> 1.234568E+26 (Single)
// -79228162514264337593543950335 (Decimal) --> -7.922816E+28 (Single)
// 79228162514264337593543950335 (Decimal) --> 7.922816E+28 (Single)
open System
// Define a list of decimal values.
let values =
[ 0.0000000000000000000000000001M
0.0000000000123456789123456789M
123M; Decimal(123000000, 0, 0, false, 6uy)
123456789.123456789M
123456789123456789123456789M
Decimal.MinValue; Decimal.MaxValue ]
// Convert each value to a double.
for value in values do
let dblValue = float32 value
printfn $"{value} ({value.GetType().Name}) --> {dblValue} ({dblValue.GetType().Name})"
// The example displays the following output:
// 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Single)
// 0.0000000000123456789123456789 (Decimal) --> 1.234568E-11 (Single)
// 123 (Decimal) --> 123 (Single)
// 123.000000 (Decimal) --> 123 (Single)
// 123456789.123456789 (Decimal) --> 1.234568E+08 (Single)
// 123456789123456789123456789 (Decimal) --> 1.234568E+26 (Single)
// -79228162514264337593543950335 (Decimal) --> -7.922816E+28 (Single)
// 79228162514264337593543950335 (Decimal) --> 7.922816E+28 (Single)
Module Example
Public Sub Main( )
' Define an array of Decimal values.
Dim values() As Decimal= { 0.0000000000000000000000000001d,
0.0000000000123456789123456789d,
123d,
New Decimal(123000000, 0, 0, False, 6),
123456789.123456789d,
123456789123456789123456789d,
Decimal.MinValue, Decimal.MaxValue }
For Each value In values
Dim dblValue As Single = CSng(value)
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, dblValue,
dblValue.GetType().Name)
Next
End Sub
End Module
' The example displays the following output:
' 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Single)
' 0.0000000000123456789123456789 (Decimal) --> 1.234568E-11 (Single)
' 123 (Decimal) --> 123 (Single)
' 123.000000 (Decimal) --> 123 (Single)
' 123456789.123456789 (Decimal) --> 1.234568E+08 (Single)
' 123456789123456789123456789 (Decimal) --> 1.234568E+26 (Single)
' -79228162514264337593543950335 (Decimal) --> -7.922816E+28 (Single)
' 79228162514264337593543950335 (Decimal) --> 7.922816E+28 (Single)
Açıklamalar
Tek duyarlıklı kayan nokta sayısının bir değerinden daha az anlamlı basamağı olduğundan bu işlem duyarlık kaybına Decimalneden olabilir.
Bu işleç, öğesinin Decimal öğesine açık olarak dönüştürülmesini Singledestekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C# ve Visual Basic kullanarak bir değeri açıkça bir DecimalSingle değere dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToSingle(Decimal) yöntemini çağırabilirsinizDecimal.ToSingle(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to Int32)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
32 bit imzalı tamsayıya açık bir Decimal dönüşüm tanımlar.
public:
static explicit operator int(System::Decimal value);
public static explicit operator int (decimal value);
static member op_Explicit : decimal -> int
Public Shared Narrowing Operator CType (value As Decimal) As Integer
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 32 bit işaretli tamsayı.
Özel durumlar
value
Int32.MinValue değerinden küçük veya Int32.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, açık Decimal ton Int32 dönüştürme işlecini kullanarak sayıları değerlere Int32 dönüştürürDecimal.
// Example of the explicit conversions from Decimal to int and
// Decimal to unsigned int.
using namespace System;
#define formatter "{0,17}{1,19}{2,19}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the Decimal argument; catch exceptions that are thrown.
void DecimalToU_Int32( Decimal argument )
{
Object^ Int32Value;
Object^ UInt32Value;
// Convert the argument to an int value.
try
{
Int32Value = (int)argument;
}
catch ( Exception^ ex )
{
Int32Value = GetExceptionType( ex );
}
// Convert the argument to an unsigned int value.
try
{
UInt32Value = (unsigned int)argument;
}
catch ( Exception^ ex )
{
UInt32Value = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, Int32Value, UInt32Value );
}
int main()
{
Console::WriteLine( "This example of the explicit conversions from Decimal to "
"int \nand Decimal to unsigned int generates the "
"following output. \nIt displays several converted Decimal "
"values.\n" );
Console::WriteLine( formatter, "Decimal argument", "int", "unsigned int" );
Console::WriteLine( formatter, "----------------", "---", "------------" );
// Convert Decimal values and display the results.
DecimalToU_Int32( Decimal::Parse( "123" ) );
DecimalToU_Int32( Decimal(123000,0,0,false,3) );
DecimalToU_Int32( Decimal::Parse( "123.999" ) );
DecimalToU_Int32( Decimal::Parse( "4294967295.999" ) );
DecimalToU_Int32( Decimal::Parse( "4294967296" ) );
DecimalToU_Int32( Decimal::Parse( "2147483647.999" ) );
DecimalToU_Int32( Decimal::Parse( "2147483648" ) );
DecimalToU_Int32( Decimal::Parse( "-0.999" ) );
DecimalToU_Int32( Decimal::Parse( "-1" ) );
DecimalToU_Int32( Decimal::Parse( "-2147483648.999" ) );
DecimalToU_Int32( Decimal::Parse( "-2147483649" ) );
}
/*
This example of the explicit conversions from Decimal to int
and Decimal to unsigned int generates the following output.
It displays several converted Decimal values.
Decimal argument int unsigned int
---------------- --- ------------
123 123 123
123.000 123 123
123.999 123 123
4294967295.999 OverflowException 4294967295
4294967296 OverflowException OverflowException
2147483647.999 2147483647 2147483647
2147483648 OverflowException 2147483648
-0.999 0 0
-1 -1 OverflowException
-2147483648.999 -2147483648 OverflowException
-2147483649 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to int and
// decimal to uint.
using System;
class DecimalToU_Int32Demo
{
const string formatter = "{0,17}{1,19}{2,19}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the decimal argument; catch exceptions that are thrown.
public static void DecimalToU_Int32( decimal argument )
{
object Int32Value;
object UInt32Value;
// Convert the argument to an int value.
try
{
Int32Value = (int)argument;
}
catch( Exception ex )
{
Int32Value = GetExceptionType( ex );
}
// Convert the argument to a uint value.
try
{
UInt32Value = (uint)argument;
}
catch( Exception ex )
{
UInt32Value = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument,
Int32Value, UInt32Value );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversions from decimal " +
"to int \nand decimal to uint generates the following " +
"output. It displays \nseveral converted decimal " +
"values.\n" );
Console.WriteLine( formatter, "decimal argument",
"int/exception", "uint/exception" );
Console.WriteLine( formatter, "----------------",
"-------------", "--------------" );
// Convert decimal values and display the results.
DecimalToU_Int32( 123M );
DecimalToU_Int32( new decimal( 123000, 0, 0, false, 3 ) );
DecimalToU_Int32( 123.999M );
DecimalToU_Int32( 4294967295.999M );
DecimalToU_Int32( 4294967296M );
DecimalToU_Int32( 2147483647.999M );
DecimalToU_Int32( 2147483648M );
DecimalToU_Int32( - 0.999M );
DecimalToU_Int32( - 1M );
DecimalToU_Int32( - 2147483648.999M );
DecimalToU_Int32( - 2147483649M );
}
}
/*
This example of the explicit conversions from decimal to int
and decimal to uint generates the following output. It displays
several converted decimal values.
decimal argument int/exception uint/exception
---------------- ------------- --------------
123 123 123
123.000 123 123
123.999 123 123
4294967295.999 OverflowException 4294967295
4294967296 OverflowException OverflowException
2147483647.999 2147483647 2147483647
2147483648 OverflowException 2147483648
-0.999 0 0
-1 -1 OverflowException
-2147483648.999 -2147483648 OverflowException
-2147483649 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to int and
// decimal to uint.
let print obj1 obj2 obj3 = printfn $"{obj1,17}{obj2,19}{obj3,19}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the decimal argument; catch exceptions that are thrown.
let decimalToU_Int32 (argument: decimal) =
let int32Value: obj =
// Convert the argument to a int32 value.
try
int32 argument
with ex -> getExceptionType ex
let uint32Value: obj =
// Convert the argument to a uint32 value.
try
uint32 argument
with ex -> getExceptionType ex
print argument int32Value uint32Value
printfn "This example of the explicit conversions from decimal to int\nand decimal to uint generates the following output. It displays\nseveral converted decimal values.\n"
print "decimal argument" "int/exception" "uint/exception"
print "----------------" "-------------" "--------------"
// Convert decimal values and display the results.
decimalToU_Int32 123M
decimalToU_Int32 (new decimal(123000, 0, 0, false, 3uy))
decimalToU_Int32 123.999M
decimalToU_Int32 4294967295.999M
decimalToU_Int32 4294967296M
decimalToU_Int32 2147483647.999M
decimalToU_Int32 2147483648M
decimalToU_Int32 -0.999M
decimalToU_Int32 -1M
decimalToU_Int32 -2147483648.999M
decimalToU_Int32 -2147483649M
// This example of the explicit conversions from decimal to int
// and decimal to uint generates the following output. It displays
// several converted decimal values.
//
// decimal argument int/exception uint/exception
// ---------------- ------------- --------------
// 123 123 123
// 123.000 123 123
// 123.999 123 123
// 4294967295.999 OverflowException 4294967295
// 4294967296 OverflowException OverflowException
// 2147483647.999 2147483647 2147483647
// 2147483648 OverflowException 2147483648
// -0.999 0 0
// -1 -1 OverflowException
// -2147483648.999 -2147483648 OverflowException
// -2147483649 OverflowException OverflowException
' Example of the explicit conversions from Decimal to Integer and
' Decimal to UInteger.
Module DecimalToU_Int32Demo
Const formatter As String = "{0,17}{1,19}{2,19}"
' Convert the decimal argument catch exceptions that are thrown.
Public Sub DecimalToU_Int32(argument As Decimal)
Dim Int32Value As Object
Dim UInt32Value As Object
' Convert the argument to an int value.
Try
Int32Value = CInt(argument)
Catch ex As Exception
Int32Value = ex.GetType().Name
End Try
' Convert the argument to a uint value.
Try
UInt32Value = CUInt(argument)
Catch ex As Exception
UInt32Value = ex.GetType().Name
End Try
Console.WriteLine(formatter, argument, _
Int32Value, UInt32Value)
End Sub
Public Sub Main( )
Console.WriteLine( formatter, "Decimal Argument", _
"Integer/Exception", "UInteger/Exception" )
Console.WriteLine( formatter, "----------------", _
"-------------", "--------------" )
' Convert decimal values and display the results.
DecimalToU_Int32( 123d)
DecimalToU_Int32(New Decimal(123000, 0, 0, False, 3))
DecimalToU_Int32(123.999d)
DecimalToU_Int32(4294967295.999d)
DecimalToU_Int32(4294967296d)
DecimalToU_Int32(2147483647.999d)
DecimalToU_Int32(2147483648d)
DecimalToU_Int32(-0.999d)
DecimalToU_Int32(-1d)
DecimalToU_Int32(-2147483648.999d)
DecimalToU_Int32(-2147483649d)
End Sub
End Module
' The example displays the following output to the console:
' Decimal Argument Integer/Exception UInteger/Exception
' ---------------- ------------- --------------
' 123 123 123
' 123.000 123 123
' 123.999 124 124
' 4294967295.999 OverflowException OverflowException
' 4294967296 OverflowException OverflowException
' 2147483647.999 OverflowException 2147483648
' 2147483648 OverflowException 2147483648
' -0.999 -1 OverflowException
' -1 -1 OverflowException
' -2147483648.999 OverflowException OverflowException
' -2147483649 OverflowException OverflowException
Açıklamalar
Bu işleç, öğesinin Decimal öğesine açık olarak dönüştürülmesini Int32destekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C#, C++ ve Visual Basic kullanarak bir Decimal değeri açıkça bir Int32 değere dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToInt32(Decimal) yöntemini çağırabilirsinizDecimal.ToInt32(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to Int16)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
öğesinin Decimal 16 bit işaretli tamsayıya açık dönüştürmesini tanımlar.
public:
static explicit operator short(System::Decimal value);
public static explicit operator short (decimal value);
static member op_Explicit : decimal -> int16
Public Shared Narrowing Operator CType (value As Decimal) As Short
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 16 bit imzalı tamsayı.
Özel durumlar
value
Int16.MinValue değerinden küçük veya Int16.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, açık Decimal ton Int16 dönüştürme işlecini kullanarak sayıları değerlere Int16 dönüştürürDecimal.
// Example of the explicit conversions from Decimal to short and
// Decimal to unsigned short.
using namespace System;
#define formatter "{0,16}{1,19}{2,19}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the Decimal argument; catch exceptions that are thrown.
void DecimalToU_Int16( Decimal argument )
{
Object^ Int16Value;
Object^ UInt16Value;
// Convert the argument to a short value.
try
{
Int16Value = (short)argument;
}
catch ( Exception^ ex )
{
Int16Value = GetExceptionType( ex );
}
// Convert the argument to an unsigned short value.
try
{
UInt16Value = (unsigned short)argument;
}
catch ( Exception^ ex )
{
UInt16Value = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, Int16Value, UInt16Value );
}
int main()
{
Console::WriteLine( "This example of the explicit conversions from Decimal to "
"short \nand Decimal to unsigned short generates the "
"following output. \nIt displays several converted Decimal "
"values.\n" );
Console::WriteLine( formatter, "Decimal argument", "short", "unsigned short" );
Console::WriteLine( formatter, "----------------", "-----", "--------------" );
// Convert Decimal values and display the results.
DecimalToU_Int16( Decimal::Parse( "123" ) );
DecimalToU_Int16( Decimal(123000,0,0,false,3) );
DecimalToU_Int16( Decimal::Parse( "123.999" ) );
DecimalToU_Int16( Decimal::Parse( "65535.999" ) );
DecimalToU_Int16( Decimal::Parse( "65536" ) );
DecimalToU_Int16( Decimal::Parse( "32767.999" ) );
DecimalToU_Int16( Decimal::Parse( "32768" ) );
DecimalToU_Int16( Decimal::Parse( "-0.999" ) );
DecimalToU_Int16( Decimal::Parse( "-1" ) );
DecimalToU_Int16( Decimal::Parse( "-32768.999" ) );
DecimalToU_Int16( Decimal::Parse( "-32769" ) );
}
/*
This example of the explicit conversions from Decimal to short
and Decimal to unsigned short generates the following output.
It displays several converted Decimal values.
Decimal argument short unsigned short
---------------- ----- --------------
123 123 123
123.000 123 123
123.999 123 123
65535.999 OverflowException 65535
65536 OverflowException OverflowException
32767.999 32767 32767
32768 OverflowException 32768
-0.999 0 0
-1 -1 OverflowException
-32768.999 -32768 OverflowException
-32769 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to short and
// decimal to ushort.
using System;
class DecimalToU_Int16Demo
{
const string formatter = "{0,16}{1,19}{2,19}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the decimal argument; catch exceptions that are thrown.
public static void DecimalToU_Int16( decimal argument )
{
object Int16Value;
object UInt16Value;
// Convert the argument to a short value.
try
{
Int16Value = (short)argument;
}
catch( Exception ex )
{
Int16Value = GetExceptionType( ex );
}
// Convert the argument to a ushort value.
try
{
UInt16Value = (ushort)argument;
}
catch( Exception ex )
{
UInt16Value = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument,
Int16Value, UInt16Value );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversions from decimal " +
"to short \nand decimal to ushort generates the " +
"following output. It displays \nseveral converted " +
"decimal values.\n" );
Console.WriteLine( formatter, "decimal argument",
"short/exception", "ushort/exception" );
Console.WriteLine( formatter, "----------------",
"---------------", "----------------" );
// Convert decimal values and display the results.
DecimalToU_Int16( 123M );
DecimalToU_Int16( new decimal( 123000, 0, 0, false, 3 ) );
DecimalToU_Int16( 123.999M );
DecimalToU_Int16( 65535.999M );
DecimalToU_Int16( 65536M );
DecimalToU_Int16( 32767.999M );
DecimalToU_Int16( 32768M );
DecimalToU_Int16( - 0.999M );
DecimalToU_Int16( - 1M );
DecimalToU_Int16( - 32768.999M );
DecimalToU_Int16( - 32769M );
}
}
/*
This example of the explicit conversions from decimal to short
and decimal to ushort generates the following output. It displays
several converted decimal values.
decimal argument short/exception ushort/exception
---------------- --------------- ----------------
123 123 123
123.000 123 123
123.999 123 123
65535.999 OverflowException 65535
65536 OverflowException OverflowException
32767.999 32767 32767
32768 OverflowException 32768
-0.999 0 0
-1 -1 OverflowException
-32768.999 -32768 OverflowException
-32769 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to short and
// decimal to ushort.
let print obj1 obj2 obj3 =
printfn $"{obj1, 16}{obj2, 19}{obj3, 19}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the decimal argument; catch exceptions that are thrown.
let decimalToU_Int16 (argument: decimal) =
let int16Value: obj =
// Convert the argument to a int16 value.
try
int16 argument
with ex -> getExceptionType ex
let uint16Value: obj =
// Convert the argument to a uint16 value.
try
uint16 argument
with ex -> getExceptionType ex
print argument int16Value uint16Value
printfn "This example of the explicit conversions from decimal to short\nand decimal to ushort generates the following output. It displays \nseveral converted decimal values.\n"
print "decimal argument" "short/exception" "ushort/exception"
print "----------------" "---------------" "----------------"
// Convert decimal values and display the results.
decimalToU_Int16 123M
decimalToU_Int16 (new decimal (123000, 0, 0, false, 3uy))
decimalToU_Int16 123.999M
decimalToU_Int16 65535.999M
decimalToU_Int16 65536M
decimalToU_Int16 32767.999M
decimalToU_Int16 32768M
decimalToU_Int16 -0.999M
decimalToU_Int16 -1M
decimalToU_Int16 -32768.999M
decimalToU_Int16 -32769M
// This example of the explicit conversions from decimal to short
// and decimal to ushort generates the following output. It displays
// several converted decimal values.
//
// decimal argument short/exception ushort/exception
// ---------------- --------------- ----------------
// 123 123 123
// 123.000 123 123
// 123.999 123 123
// 65535.999 OverflowException 65535
// 65536 OverflowException OverflowException
// 32767.999 32767 32767
// 32768 OverflowException 32768
// -0.999 0 0
// -1 -1 OverflowException
// -32768.999 -32768 OverflowException
// -32769 OverflowException OverflowException
' Example of the explicit conversions from Decimal to Short and
' Decimal to UShort.
Module DecimalToU_Int16Demo
Const formatter As String = "{0,16}{1,19}{2,19}"
' Convert the decimal argument and catch exceptions that are thrown.
Public Sub DecimalToU_Int16(argument As Decimal)
Dim Int16Value As Object
Dim UInt16Value As Object
' Convert the argument to a Short value.
Try
Int16Value = CShort(argument)
Catch ex As Exception
Int16Value = ex.GetType().Name
End Try
' Convert the argument to a UShort value.
Try
UInt16Value = CUShort(argument)
Catch ex As Exception
UInt16Value = ex.GetType().Name
End Try
Console.WriteLine( formatter, argument, _
Int16Value, UInt16Value )
End Sub
Public Sub Main( )
Console.WriteLine( formatter, "Decimal argument", _
"Short/Exception", "UShort/Exception" )
Console.WriteLine( formatter, "----------------", _
"---------------", "----------------" )
' Convert decimal values and display the results.
DecimalToU_Int16(123d)
DecimalToU_Int16(New Decimal( 123000, 0, 0, False, 3 ))
DecimalToU_Int16(123.999d)
DecimalToU_Int16(65535.999d)
DecimalToU_Int16(65536d)
DecimalToU_Int16(32767.999d)
DecimalToU_Int16(32768d)
DecimalToU_Int16(-0.999d)
DecimalToU_Int16(-1d)
DecimalToU_Int16(-32768.999d)
DecimalToU_Int16(-32769d)
End Sub
End Module
' This example displays the following output to the console:
' Decimal argument Short/Exception UShort/Exception
' ---------------- --------------- ----------------
' 123 123 123
' 123.000 123 123
' 123.999 124 124
' 65535.999 OverflowException OverflowException
' 65536 OverflowException OverflowException
' 32767.999 OverflowException 32768
' 32768 OverflowException 32768
' -0.999 -1 OverflowException
' -1 -1 OverflowException
' -32768.999 OverflowException OverflowException
' -32769 OverflowException OverflowException
Açıklamalar
Bu işleç, öğesinin Decimal öğesine açık olarak dönüştürülmesini Int16destekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C#, Visual Basic ve C++ kullanarak bir Decimal değeri bir değere Int16 açıkça dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToInt16(Decimal) yöntemini çağırabilirsinizDecimal.ToInt16(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to Double)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
bir öğesinin çift duyarlıklı kayan Decimal noktalı sayıya açık dönüştürmesini tanımlar.
public:
static explicit operator double(System::Decimal value);
public static explicit operator double (decimal value);
static member op_Explicit : decimal -> double
Public Shared Narrowing Operator CType (value As Decimal) As Double
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden çift duyarlıklı kayan noktalı sayı.
Örnekler
Aşağıdaki örnek, açık Decimal ton Double dönüştürme işlecini kullanarak sayıları değerlere Double dönüştürürDecimal.
using namespace System;
void main()
{
// Define an array of Decimal values.
array<Decimal>^ values = { Decimal::Parse("0.0000000000000000000000000001"),
Decimal::Parse("0.0000000000123456789123456789"),
Decimal::Parse("123"),
Decimal(123000000, 0, 0, false, 6),
Decimal::Parse("123456789.123456789"),
Decimal::Parse("123456789123456789123456789"),
Decimal::MinValue, Decimal::MaxValue };
// Convert each value to a double.
for each (Decimal value in values) {
double dblValue = (double) value;
Console::WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType()->Name, dblValue,
dblValue.GetType()->Name);
}
}
// The example displays the following output:
// 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Double)
// 0.0000000000123456789123456789 (Decimal) --> 1.23456789123457E-11 (Double)
// 123 (Decimal) --> 123 (Double)
// 123.000000 (Decimal) --> 123 (Double)
// 123456789.123456789 (Decimal) --> 123456789.123457 (Double)
// 123456789123456789123456789 (Decimal) --> 1.23456789123457E+26 (Double)
// -79228162514264337593543950335 (Decimal) --> -7.92281625142643E+28 (Double)
// 79228162514264337593543950335 (Decimal) --> 7.92281625142643E+28 (Double)
using System;
class Example
{
public static void Main( )
{
// Define an array of decimal values.
decimal[] values = { 0.0000000000000000000000000001M,
0.0000000000123456789123456789M,
123M, new decimal(123000000, 0, 0, false, 6),
123456789.123456789M,
123456789123456789123456789M,
decimal.MinValue, decimal.MaxValue };
// Convert each value to a double.
foreach (var value in values) {
double dblValue = (double) value;
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, dblValue,
dblValue.GetType().Name);
}
}
}
// The example displays the following output:
// 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Double)
// 0.0000000000123456789123456789 (Decimal) --> 1.23456789123457E-11 (Double)
// 123 (Decimal) --> 123 (Double)
// 123.000000 (Decimal) --> 123 (Double)
// 123456789.123456789 (Decimal) --> 123456789.123457 (Double)
// 123456789123456789123456789 (Decimal) --> 1.23456789123457E+26 (Double)
// -79228162514264337593543950335 (Decimal) --> -7.92281625142643E+28 (Double)
// 79228162514264337593543950335 (Decimal) --> 7.92281625142643E+28 (Double)
open System
// Define a list of decimal values.
let values =
[ 0.0000000000000000000000000001M
0.0000000000123456789123456789M
123M; Decimal(123000000, 0, 0, false, 6uy)
123456789.123456789M
123456789123456789123456789M
Decimal.MinValue; Decimal.MaxValue ]
// Convert each value to a double.
for value in values do
let dblValue = double value
printfn $"{value} ({value.GetType().Name}) --> {dblValue} ({dblValue.GetType().Name})"
// The example displays the following output:
// 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Double)
// 0.0000000000123456789123456789 (Decimal) --> 1.23456789123457E-11 (Double)
// 123 (Decimal) --> 123 (Double)
// 123.000000 (Decimal) --> 123 (Double)
// 123456789.123456789 (Decimal) --> 123456789.123457 (Double)
// 123456789123456789123456789 (Decimal) --> 1.23456789123457E+26 (Double)
// -79228162514264337593543950335 (Decimal) --> -7.92281625142643E+28 (Double)
// 79228162514264337593543950335 (Decimal) --> 7.92281625142643E+28 (Double)
Module Example
Public Sub Main( )
' Define an array of Decimal values.
Dim values() As Decimal= { 0.0000000000000000000000000001d,
0.0000000000123456789123456789d,
123d,
New Decimal(123000000, 0, 0, False, 6),
123456789.123456789d,
123456789123456789123456789d,
Decimal.MinValue, Decimal.MaxValue }
For Each value In values
Dim dblValue As Double = CDbl(value)
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, dblValue,
dblValue.GetType().Name)
Next
End Sub
End Module
' The example displays the following output:
' 0.0000000000000000000000000001 (Decimal) --> 1E-28 (Double)
' 0.0000000000123456789123456789 (Decimal) --> 1.23456789123457E-11 (Double)
' 123 (Decimal) --> 123 (Double)
' 123.000000 (Decimal) --> 123 (Double)
' 123456789.123456789 (Decimal) --> 123456789.123457 (Double)
' 123456789123456789123456789 (Decimal) --> 1.23456789123457E+26 (Double)
' -79228162514264337593543950335 (Decimal) --> -7.92281625142643E+28 (Double)
' 79228162514264337593543950335 (Decimal) --> 7.92281625142643E+28 (Double)
Açıklamalar
Çift duyarlıklı kayan nokta sayısının bir değerinden daha az anlamlı basamağı olduğundan bu işlem duyarlık kaybına Decimalneden olabilir.
Bu işleç, öğesinin Decimal öğesine açık olarak dönüştürülmesini Doubledestekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C#, C++ ve Visual Basic kullanarak bir Decimal değeri açıkça bir Double değere dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToDouble(Decimal) yöntemini çağırabilirsinizDecimal.ToDouble(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to Char)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
bir öğesinin Decimal Unicode karakterine açık bir dönüştürmesini tanımlar.
public:
static explicit operator char(System::Decimal value);
public static explicit operator char (decimal value);
static member op_Explicit : decimal -> char
Public Shared Narrowing Operator CType (value As Decimal) As Char
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden bir Unicode karakteri.
Özel durumlar
value
Char.MinValue değerinden küçük veya Char.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, açık ton Char dönüştürme işlecini kullanarak sayıları değerlere Char (Unicode karakterleri) dönüştürürDecimal.Decimal
using System;
class Example
{
public static void Main( )
{
// Define an array of decimal values.
decimal[] values = { 3.33m, 55.5m, 77.7m, 123m, 123.999m, 170m,
188.88m, 222m, 244m, 8217m, 8250m, 65536m,
-1m };
// Convert each value to a Char.
foreach (decimal value in values) {
try {
char charValue = (char) value;
Console.WriteLine("{0} --> {1} ({2:X4})", value,
charValue, (ushort) charValue);
}
catch (OverflowException) {
Console.WriteLine("OverflowException: Cannot convert {0}",
value);
}
}
}
}
// The example displays the following output:
// 3.33 --> ? (0003)
// 55.5 --> 7 (0037)
// 77.7 --> M (004D)
// 123 --> { (007B)
// 123.999 --> { (007B)
// 170 --> ª (00AA)
// 188.88 --> ¼ (00BC)
// 222 --> _ (00DE)
// 244 --> ô (00F4)
// 8217 --> ' (2019)
// 8250 --> > (203A)
// OverflowException: Cannot convert 65536
// OverflowException: Cannot convert -1
open System
// Define a list of decimal values.
let values =
[ 3.33m; 55.5m; 77.7m; 123m; 123.999m; 170m; 188.88m; 222m; 244m; 8217m; 8250m; 65536m; -1m ]
// Convert each value to a Char.
for value in values do
try
let charValue = char value
printfn $"{value} --> {charValue} ({uint16 charValue:X4})"
with :? OverflowException ->
printfn $"OverflowException: Cannot convert {value}"
// The example displays the following output:
// 3.33 --> ? (0003)
// 55.5 --> 7 (0037)
// 77.7 --> M (004D)
// 123 --> { (007B)
// 123.999 --> { (007B)
// 170 --> ª (00AA)
// 188.88 --> ¼ (00BC)
// 222 --> _ (00DE)
// 244 --> ô (00F4)
// 8217 --> ' (2019)
// 8250 --> > (203A)
// OverflowException: Cannot convert 65536
// OverflowException: Cannot convert -1
' Visual Basic does not support explicit Decimal-to-Char
' conversion using either CType or CChar.
Açıklamalar
Bu işleç, öğesinin Decimal öğesine açık olarak dönüştürülmesini Chardestekler. Bu tür açık dönüştürmelerin söz dizimi dile bağlıdır ve tek tek dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir veya dönüştürmeyi hiç desteklemeyebilir. Örneğin, Visual Basic ve C++ derleyicileri bir dönüştürme için açık Decimal bir Char desteği yok.
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to Byte)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
öğesinin Decimal 8 bit işaretsiz tamsayıya açık dönüştürmesini tanımlar.
public:
static explicit operator System::Byte(System::Decimal value);
public static explicit operator byte (decimal value);
static member op_Explicit : decimal -> byte
Public Shared Narrowing Operator CType (value As Decimal) As Byte
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 8 bit işaretsiz tamsayı.
Özel durumlar
value
, Byte.MinValue değerinden küçük veya Byte.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, açık Decimal ton Byte dönüştürme işlecini kullanarak sayıları değerlere Byte dönüştürürDecimal.
using namespace System;
void main()
{
// Define an array of decimal values.
array<Decimal>^ values = { Decimal::Parse("78"),
Decimal(78000,0,0,false,3),
Decimal::Parse("78.999"),
Decimal::Parse("255.999"),
Decimal::Parse("256"),
Decimal::Parse("127.999"),
Decimal::Parse("128"),
Decimal::Parse("-0.999"),
Decimal::Parse("-1"),
Decimal::Parse("-128.999"),
Decimal::Parse("-129") };
for each (Decimal value in values) {
try {
Byte byteValue = (Byte) value;
Console::WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType()->Name, byteValue,
byteValue.GetType()->Name);
}
catch (OverflowException^ e) {
Console::WriteLine("OverflowException: Cannot convert {0}",
value);
}
}
}
// The example displays the following output:
// 78 (Decimal) --> 78 (Byte)
// 78.000 (Decimal) --> 78 (Byte)
// 78.999 (Decimal) --> 78 (Byte)
// 255.999 (Decimal) --> 255 (Byte)
// OverflowException: Cannot convert 256
// 127.999 (Decimal) --> 127 (Byte)
// 128 (Decimal) --> 128 (Byte)
// -0.999 (Decimal) --> 0 (Byte)
// OverflowException: Cannot convert -1
// OverflowException: Cannot convert -128.999
// OverflowException: Cannot convert -129
using System;
class Example
{
public static void Main()
{
// Define an array of decimal values.
decimal[] values = { 78m, new Decimal(78000, 0, 0, false, 3),
78.999m, 255.999m, 256m, 127.999m,
128m, -0.999m, -1m, -128.999m, -129m };
foreach (var value in values) {
try {
Byte byteValue = (Byte) value;
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, byteValue,
byteValue.GetType().Name);
}
catch (OverflowException) {
Console.WriteLine("OverflowException: Cannot convert {0}",
value);
}
}
}
}
// The example displays the following output:
// 78 (Decimal) --> 78 (Byte)
// 78.000 (Decimal) --> 78 (Byte)
// 78.999 (Decimal) --> 78 (Byte)
// 255.999 (Decimal) --> 255 (Byte)
// OverflowException: Cannot convert 256
// 127.999 (Decimal) --> 127 (Byte)
// 128 (Decimal) --> 128 (Byte)
// -0.999 (Decimal) --> 0 (Byte)
// OverflowException: Cannot convert -1
// OverflowException: Cannot convert -128.999
// OverflowException: Cannot convert -129
open System
// Define a list of decimal values.
let values =
[ 78m; Decimal(78000, 0, 0, false, 3uy)
78.999m; 255.999m; 256m; 127.999m
128m; -0.999m; -1m; -128.999m; -129m ]
for value in values do
try
let byteValue = byte value
printfn $"{value} ({value.GetType().Name}) --> {byteValue} ({byteValue.GetType().Name})"
with :? OverflowException ->
printfn $"OverflowException: Cannot convert {value}"
// The example displays the following output:
// 78 (Decimal) --> 78 (Byte)
// 78.000 (Decimal) --> 78 (Byte)
// 78.999 (Decimal) --> 78 (Byte)
// 255.999 (Decimal) --> 255 (Byte)
// OverflowException: Cannot convert 256
// 127.999 (Decimal) --> 127 (Byte)
// 128 (Decimal) --> 128 (Byte)
// -0.999 (Decimal) --> 0 (Byte)
// OverflowException: Cannot convert -1
// OverflowException: Cannot convert -128.999
// OverflowException: Cannot convert -129
Option Strict On
Module Example
Public Sub Main()
' Define an array of decimal values.
Dim values() As Decimal = { 78d, New Decimal(78000, 0, 0, False, 3),
78.999d, 255.999d, 256d, 127.999d,
128d, -0.999d, -1d, -128.999d,
-129d }
For Each value In values
Try
Dim byteValue As Byte = CByte(value)
Console.WriteLine("{0} ({1}) --> {2} ({3})", value,
value.GetType().Name, byteValue,
byteValue.GetType().Name)
Catch e As OverflowException
Console.WriteLine("OverflowException: Cannot convert {0}",
value)
End Try
Next
End Sub
End Module
' The example displays the following output:
' 78 (Decimal) --> 78 (Byte)
' 78.000 (Decimal) --> 78 (Byte)
' 78.999 (Decimal) --> 79 (Byte)
' OverflowException: Cannot convert 255.999
' OverflowException: Cannot convert 256
' 127.999 (Decimal) --> 128 (Byte)
' 128 (Decimal) --> 128 (Byte)
' OverflowException: Cannot convert -0.999
' OverflowException: Cannot convert -1
' OverflowException: Cannot convert -128.999
' OverflowException: Cannot convert -129
Açıklamalar
Bu işleç, öğesinin Decimal öğesine açık olarak dönüştürülmesini Bytedestekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C#, C++ ve Visual Basic kullanarak bir Decimal değeri açıkça bir Byte değere dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToByte(Decimal) yöntemini çağırabilirsinizDecimal.ToByte(Decimal).
Ayrıca bkz.
Şunlara uygulanır
Explicit(Decimal to Int64)
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
- Kaynak:
- Decimal.cs
öğesinin Decimal 64 bit işaretli tamsayıya açık dönüştürmesini tanımlar.
public:
static explicit operator long(System::Decimal value);
public static explicit operator long (decimal value);
static member op_Explicit : decimal -> int64
Public Shared Narrowing Operator CType (value As Decimal) As Long
Parametreler
- value
- Decimal
Dönüştürülecek değer.
Döndürülenler
Dönüştürülen Decimalöğesini temsil eden 64 bit işaretli tamsayı.
Özel durumlar
value
Int64.MinValue değerinden küçük veya Int64.MaxValue değerinden büyük.
Örnekler
Aşağıdaki örnek, açık Decimal ton Int64 dönüştürme işlecini kullanarak sayıları değerlere Int64 dönüştürürDecimal.
// Example of the explicit conversions from Decimal to __int64 and
// Decimal to unsigned __int64.
using namespace System;
#define formatter "{0,25}{1,22}{2,22}"
// Get the exception type name; remove the namespace prefix.
String^ GetExceptionType( Exception^ ex )
{
String^ exceptionType = ex->GetType()->ToString();
return exceptionType->Substring( exceptionType->LastIndexOf( '.' ) + 1 );
}
// Convert the Decimal argument; catch exceptions that are thrown.
void DecimalToU_Int64( Decimal argument )
{
Object^ Int64Value;
Object^ UInt64Value;
// Convert the argument to an __int64 value.
try
{
Int64Value = (__int64)argument;
}
catch ( Exception^ ex )
{
Int64Value = GetExceptionType( ex );
}
// Convert the argument to an unsigned __int64 value.
try
{
UInt64Value = (unsigned __int64)argument;
}
catch ( Exception^ ex )
{
UInt64Value = GetExceptionType( ex );
}
Console::WriteLine( formatter, argument, Int64Value, UInt64Value );
}
int main()
{
Console::WriteLine( "This example of the explicit conversions from Decimal to "
"__int64 \nand Decimal to unsigned __int64 generates the "
"following output. \nIt displays several converted Decimal "
"values.\n" );
Console::WriteLine( formatter, "Decimal argument", "__int64", "unsigned __int64" );
Console::WriteLine( formatter, "----------------", "-------", "----------------" );
// Convert Decimal values and display the results.
DecimalToU_Int64( Decimal::Parse( "123" ) );
DecimalToU_Int64( Decimal(123000,0,0,false,3) );
DecimalToU_Int64( Decimal::Parse( "123.999" ) );
DecimalToU_Int64( Decimal::Parse( "18446744073709551615.999" ) );
DecimalToU_Int64( Decimal::Parse( "18446744073709551616" ) );
DecimalToU_Int64( Decimal::Parse( "9223372036854775807.999" ) );
DecimalToU_Int64( Decimal::Parse( "9223372036854775808" ) );
DecimalToU_Int64( Decimal::Parse( "-0.999" ) );
DecimalToU_Int64( Decimal::Parse( "-1" ) );
DecimalToU_Int64( Decimal::Parse( "-9223372036854775808.999" ) );
DecimalToU_Int64( Decimal::Parse( "-9223372036854775809" ) );
}
/*
This example of the explicit conversions from Decimal to __int64
and Decimal to unsigned __int64 generates the following output.
It displays several converted Decimal values.
Decimal argument __int64 unsigned __int64
---------------- ------- ----------------
123 123 123
123.000 123 123
123.999 123 123
18446744073709551615.999 OverflowException 18446744073709551615
18446744073709551616 OverflowException OverflowException
9223372036854775807.999 9223372036854775807 9223372036854775807
9223372036854775808 OverflowException 9223372036854775808
-0.999 0 0
-1 -1 OverflowException
-9223372036854775808.999 -9223372036854775808 OverflowException
-9223372036854775809 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to long and
// decimal to ulong.
using System;
class DecimalToU_Int64Demo
{
const string formatter = "{0,25}{1,22}{2,22}";
// Get the exception type name; remove the namespace prefix.
public static string GetExceptionType( Exception ex )
{
string exceptionType = ex.GetType( ).ToString( );
return exceptionType.Substring(
exceptionType.LastIndexOf( '.' ) + 1 );
}
// Convert the decimal argument; catch exceptions that are thrown.
public static void DecimalToU_Int64( decimal argument )
{
object Int64Value;
object UInt64Value;
// Convert the argument to a long value.
try
{
Int64Value = (long)argument;
}
catch( Exception ex )
{
Int64Value = GetExceptionType( ex );
}
// Convert the argument to a ulong value.
try
{
UInt64Value = (ulong)argument;
}
catch( Exception ex )
{
UInt64Value = GetExceptionType( ex );
}
Console.WriteLine( formatter, argument,
Int64Value, UInt64Value );
}
public static void Main( )
{
Console.WriteLine(
"This example of the explicit conversions from decimal " +
"to long \nand decimal to ulong generates the following " +
"output. It displays \nseveral converted decimal " +
"values.\n" );
Console.WriteLine( formatter, "decimal argument",
"long/exception", "ulong/exception" );
Console.WriteLine( formatter, "----------------",
"--------------", "---------------" );
// Convert decimal values and display the results.
DecimalToU_Int64( 123M );
DecimalToU_Int64( new decimal( 123000, 0, 0, false, 3 ) );
DecimalToU_Int64( 123.999M );
DecimalToU_Int64( 18446744073709551615.999M );
DecimalToU_Int64( 18446744073709551616M );
DecimalToU_Int64( 9223372036854775807.999M );
DecimalToU_Int64( 9223372036854775808M );
DecimalToU_Int64( - 0.999M );
DecimalToU_Int64( - 1M );
DecimalToU_Int64( - 9223372036854775808.999M );
DecimalToU_Int64( - 9223372036854775809M );
}
}
/*
This example of the explicit conversions from decimal to long
and decimal to ulong generates the following output. It displays
several converted decimal values.
decimal argument long/exception ulong/exception
---------------- -------------- ---------------
123 123 123
123.000 123 123
123.999 123 123
18446744073709551615.999 OverflowException 18446744073709551615
18446744073709551616 OverflowException OverflowException
9223372036854775807.999 9223372036854775807 9223372036854775807
9223372036854775808 OverflowException 9223372036854775808
-0.999 0 0
-1 -1 OverflowException
-9223372036854775808.999 -9223372036854775808 OverflowException
-9223372036854775809 OverflowException OverflowException
*/
// Example of the explicit conversions from decimal to long and
// decimal to ulong.
let print obj1 obj2 obj3 = printfn $"{obj1,25}{obj2,22}{obj3,22}"
// Get the exception type name; remove the namespace prefix.
let getExceptionType (ex: exn) =
let exceptionType = ex.GetType() |> string
exceptionType.Substring(exceptionType.LastIndexOf '.' + 1)
// Convert the decimal argument; catch exceptions that are thrown.
let decimalToU_Int64 (argument: decimal) =
let int32Value: obj =
// Convert the argument to a int64 value.
try
int32 argument
with ex -> getExceptionType ex
let uint32Value: obj =
// Convert the argument to a uint64 value.
try
uint32 argument
with ex -> getExceptionType ex
print argument int32Value uint32Value
printfn "This example of the explicit conversions from decimal to long\nand decimal to ulong generates the following output. It displays\nseveral converted decimal values.\n"
print "decimal argument" "long/exception" "ulong/exception"
print "----------------" "--------------" "---------------"
// Convert decimal values and display the results.
decimalToU_Int64 123M
decimalToU_Int64 (new decimal(123000, 0, 0, false, 3uy))
decimalToU_Int64 123.999M
decimalToU_Int64 18446744073709551615.999M
decimalToU_Int64 18446744073709551616M
decimalToU_Int64 9223372036854775807.999M
decimalToU_Int64 9223372036854775808M
decimalToU_Int64 -0.999M
decimalToU_Int64 -1M
decimalToU_Int64 -9223372036854775808.999M
decimalToU_Int64 -9223372036854775809M
// This example of the explicit conversions from decimal to long
// and decimal to ulong generates the following output. It displays
// several converted decimal values.
//
// decimal argument long/exception ulong/exception
// ---------------- -------------- ---------------
// 123 123 123
// 123.000 123 123
// 123.999 123 123
// 18446744073709551615.999 OverflowException 18446744073709551615
// 18446744073709551616 OverflowException OverflowException
// 9223372036854775807.999 9223372036854775807 9223372036854775807
// 9223372036854775808 OverflowException 9223372036854775808
// -0.999 0 0
// -1 -1 OverflowException
// -9223372036854775808.999 -9223372036854775808 OverflowException
// -9223372036854775809 OverflowException OverflowException
' Example of the explicit conversions from Decimal to Long and
' Decimal to ULong.
Module DecimalToU_Int64Demo
Const formatter As String = "{0,25}{1,22}{2,22}"
' Convert the decimal argument catch exceptions that are thrown.
Public Sub DecimalToU_Int64(argument As Decimal)
Dim Int64Value As Object
Dim UInt64Value As Object
' Convert the argument to a long value.
Try
Int64Value = CLng(argument)
Catch ex As Exception
Int64Value = ex.GetType().Name
End Try
' Convert the argument to a ulong value.
Try
UInt64Value = CULng(argument)
Catch ex As Exception
UInt64Value = ex.GetType().Name
End Try
Console.WriteLine(formatter, argument, _
Int64Value, UInt64Value)
End Sub
Public Sub Main( )
Console.WriteLine( formatter, "Decimal argument", _
"Long/Exception", "ULong/Exception" )
Console.WriteLine( formatter, "----------------", _
"--------------", "---------------" )
' Convert decimal values and display the results.
DecimalToU_Int64(123d)
DecimalToU_Int64(New Decimal(123000, 0, 0, False, 3))
DecimalToU_Int64(123.999d)
DecimalToU_Int64(18446744073709551615.999d)
DecimalToU_Int64(18446744073709551616d)
DecimalToU_Int64(9223372036854775807.999d)
DecimalToU_Int64(9223372036854775808d)
DecimalToU_Int64(-0.999d)
DecimalToU_Int64(-1d)
DecimalToU_Int64(-9223372036854775808.999d)
DecimalToU_Int64(-9223372036854775809d)
End Sub
End Module
' The example displays the following output to the console:
' Decimal argument Long/Exception ULong/Exception
' ---------------- -------------- ---------------
' 123 123 123
' 123.000 123 123
' 123.999 124 124
' 18446744073709551615.999 OverflowException OverflowException
' 18446744073709551616 OverflowException OverflowException
' 9223372036854775807.999 OverflowException 9223372036854775808
' 9223372036854775808 OverflowException 9223372036854775808
' -0.999 -1 OverflowException
' -1 -1 OverflowException
' -9223372036854775808.999 OverflowException OverflowException
' -9223372036854775809 OverflowException OverflowException
Açıklamalar
Bu işleç, öğesinin Decimal öğesine açık olarak dönüştürülmesini Int64destekler. Bu tür açık dönüştürmelerin sözdizimi dile bağlıdır ve ayrı dil derleyicileri farklı uygulamalar sağlayabilir ve farklı sonuçlar döndürebilir. Örnek, C# ve Visual Basic kullanarak bir Decimal değeri bir değere Int64 açıkça dönüştürdüğünüzde farklı dönüş değerlerini gösterir. Dilden bağımsız bir dönüştürme gerçekleştirmek için veya Convert.ToInt64(Decimal) yöntemini çağırabilirsinizDecimal.ToInt64(Decimal).