Decimal.Multiply メソッド
指定した 2 つの Decimal 値を乗算します。
Public Shared Function Multiply( _
ByVal d1 As Decimal, _ ByVal d2 As Decimal _) As Decimal
[C#]
public static decimal Multiply(decimald1,decimald2);
[C++]
public: static Decimal Multiply(Decimald1,Decimald2);
[JScript]
public static function Multiply(
d1 : Decimal,d2 : Decimal) : Decimal;
パラメータ
戻り値
d1 と d2 を乗算した結果の Decimal 。
例外
| 例外の種類 | 条件 |
|---|---|
| OverflowException | 戻り値が MinValue より小さい値か、 MaxValue より大きい値です。 |
使用例
[Visual Basic, C#, C++] Decimal 値の複数のペアを作成し、各ペアの積を Multiply メソッドで計算するコード例を次に示します。
' Example of the Decimal.Multiply, Decimal.Divide, and
' Decimal.Remainder methods.
Imports System
Imports Microsoft.VisualBasic
Module DecimalMulDivRemDemo
Const dataFmt As String = "{0,-35}{1,31}"
' Display Decimal parameters and their product, quotient, and
' remainder.
Sub ShowDecimalProQuoRem( Left as Decimal, Right as Decimal )
Console.WriteLine( )
Console.WriteLine( dataFmt, "Decimal Left", Left )
Console.WriteLine( dataFmt, "Decimal Right", Right )
Console.WriteLine( dataFmt, _
"Decimal.Multiply( Left, Right )", _
Decimal.Multiply( Left, Right ) )
Console.WriteLine( dataFmt, _
"Decimal.Divide( Left, Right )", _
Decimal.Divide( Left, Right ) )
Console.WriteLine( dataFmt, _
"Decimal.Remainder( Left, Right )", _
Decimal.Remainder( Left, Right ) )
End Sub
Sub Main( )
Console.WriteLine( "This example of the " & vbCrLf & _
" Decimal.Multiply( Decimal, Decimal ), " & vbCrLf & _
" Decimal.Divide( Decimal, Decimal ), and " & vbCrLf & _
" Decimal.Remainder( Decimal, Decimal ) " & vbCrLf & _
"methods generates the following output. It displays " & _
"the product, " & vbCrLf & "quotient, and remainder " & _
"of several pairs of Decimal objects." )
' Create pairs of Decimal objects.
ShowDecimalProQuoRem( 1000D, 7D )
ShowDecimalProQuoRem( -1000D, 7D )
ShowDecimalProQuoRem( _
new Decimal( 1230000000, 0, 0, False, 7 ), _
0.0012300D )
ShowDecimalProQuoRem( 12345678900000000D, _
0.0000000012345678D )
ShowDecimalProQuoRem( 123456789.0123456789D, _
123456789.1123456789D )
End Sub
End Module
' This example of the
' Decimal.Multiply( Decimal, Decimal ),
' Decimal.Divide( Decimal, Decimal ), and
' Decimal.Remainder( Decimal, Decimal )
' methods generates the following output. It displays the product,
' quotient, and remainder of several pairs of Decimal objects.
'
' Decimal Left 1000
' Decimal Right 7
' Decimal.Multiply( Left, Right ) 7000
' Decimal.Divide( Left, Right ) 142.85714285714285714285714286
' Decimal.Remainder( Left, Right ) 6
'
' Decimal Left -1000
' Decimal Right 7
' Decimal.Multiply( Left, Right ) -7000
' Decimal.Divide( Left, Right ) -142.85714285714285714285714286
' Decimal.Remainder( Left, Right ) -6
'
' Decimal Left 123.0000000
' Decimal Right 0.00123
' Decimal.Multiply( Left, Right ) 0.151290000000
' Decimal.Divide( Left, Right ) 100000.00
' Decimal.Remainder( Left, Right ) 0
'
' Decimal Left 12345678900000000
' Decimal Right 0.0000000012345678
' Decimal.Multiply( Left, Right ) 15241577.6390794200000000
' Decimal.Divide( Left, Right ) 10000000729000059778004901.796
' Decimal.Remainder( Left, Right ) 0.000000000983
'
' Decimal Left 123456789.0123456789
' Decimal Right 123456789.1123456789
' Decimal.Multiply( Left, Right ) 15241578765584515.651425087878
' Decimal.Divide( Left, Right ) 0.9999999991899999933660999449
' Decimal.Remainder( Left, Right ) 123456789.0123456789
[C#]
// Example of the decimal.Multiply, decimal.Divide, and
// decimal.Remainder methods.
using System;
using Microsoft.VisualBasic;
class DecimalMulDivRemDemo
{
const string dataFmt = "{0,-35}{1,31}";
// Display decimal parameters and their product, quotient, and
// remainder.
public static void ShowDecimalProQuoRem( decimal Left, decimal Right )
{
Console.WriteLine( );
Console.WriteLine( dataFmt, "decimal Left", Left );
Console.WriteLine( dataFmt, "decimal Right", Right );
Console.WriteLine( dataFmt, "decimal.Multiply( Left, Right )",
decimal.Multiply( Left, Right ) );
Console.WriteLine( dataFmt, "decimal.Divide( Left, Right )",
decimal.Divide( Left, Right ) );
Console.WriteLine( dataFmt, "decimal.Remainder( Left, Right )",
decimal.Remainder( Left, Right ) );
}
public static void Main( )
{
Console.WriteLine( "This example of the \n" +
" decimal.Multiply( decimal, decimal ), \n" +
" decimal.Divide( decimal, decimal ), and \n" +
" decimal.Remainder( decimal, decimal ) \n" +
"methods generates the following output. It displays " +
"the product, \nquotient, and remainder of several " +
"pairs of decimal objects." );
// Create pairs of decimal objects.
ShowDecimalProQuoRem( 1000M, 7M );
ShowDecimalProQuoRem( -1000M, 7M );
ShowDecimalProQuoRem(
new decimal( 1230000000, 0, 0, false, 7 ), 0.0012300M );
ShowDecimalProQuoRem( 12345678900000000M,
0.0000000012345678M );
ShowDecimalProQuoRem( 123456789.0123456789M,
123456789.1123456789M );
}
}
/*
This example of the
decimal.Multiply( decimal, decimal ),
decimal.Divide( decimal, decimal ), and
decimal.Remainder( decimal, decimal )
methods generates the following output. It displays the product,
quotient, and remainder of several pairs of decimal objects.
decimal Left 1000
decimal Right 7
decimal.Multiply( Left, Right ) 7000
decimal.Divide( Left, Right ) 142.85714285714285714285714286
decimal.Remainder( Left, Right ) 6
decimal Left -1000
decimal Right 7
decimal.Multiply( Left, Right ) -7000
decimal.Divide( Left, Right ) -142.85714285714285714285714286
decimal.Remainder( Left, Right ) -6
decimal Left 123.0000000
decimal Right 0.0012300
decimal.Multiply( Left, Right ) 0.15129000000000
decimal.Divide( Left, Right ) 100000
decimal.Remainder( Left, Right ) 0
decimal Left 12345678900000000
decimal Right 0.0000000012345678
decimal.Multiply( Left, Right ) 15241577.6390794200000000
decimal.Divide( Left, Right ) 10000000729000059778004901.796
decimal.Remainder( Left, Right ) 0.000000000983
decimal Left 123456789.0123456789
decimal Right 123456789.1123456789
decimal.Multiply( Left, Right ) 15241578765584515.651425087878
decimal.Divide( Left, Right ) 0.9999999991899999933660999449
decimal.Remainder( Left, Right ) 123456789.0123456789
*/
[C++]
// Example of the Decimal::Multiply, Decimal::Divide, and
// Decimal::Remainder methods.
#using <mscorlib.dll>
using namespace System;
// Display Decimal parameters and their product, quotient, and
// remainder.
void ShowDecimalProQuoRem( Decimal Left, Decimal Right )
{
String* dataFmt = S"{0,-35}{1,31}";
Console::WriteLine( );
Console::WriteLine( dataFmt, S"Decimal Left", __box( Left ) );
Console::WriteLine( dataFmt, S"Decimal Right", __box( Right ) );
Console::WriteLine( dataFmt, S"Decimal::Multiply( Left, Right )",
__box( Decimal::Multiply( Left, Right ) ) );
Console::WriteLine( dataFmt, S"Decimal::Divide( Left, Right )",
__box( Decimal::Divide( Left, Right ) ) );
Console::WriteLine( dataFmt, S"Decimal::Remainder( Left, Right )",
__box( Decimal::Remainder( Left, Right ) ) );
}
void main( )
{
Console::WriteLine( S"This example of the \n"
S" Decimal::Multiply( Decimal, Decimal ), \n"
S" Decimal::Divide( Decimal, Decimal ), and \n"
S" Decimal::Remainder( Decimal, Decimal ) \n"
S"methods generates the following output. It displays "
S"the product, \nquotient, and remainder of several "
S"pairs of Decimal objects." );
// Create pairs of Decimal objects.
ShowDecimalProQuoRem( Decimal::Parse( S"1000" ),
Decimal::Parse( S"7" ) );
ShowDecimalProQuoRem( Decimal::Parse( S"-1000" ),
Decimal::Parse( S"7" ) );
ShowDecimalProQuoRem(
Decimal( 1230000000, 0, 0, false, 7 ),
Decimal::Parse( S"0.0012300" ) );
ShowDecimalProQuoRem( Decimal::Parse( S"12345678900000000" ),
Decimal::Parse( S"0.0000000012345678" ) );
ShowDecimalProQuoRem( Decimal::Parse( S"123456789.0123456789" ),
Decimal::Parse( S"123456789.1123456789" ) );
}
/*
This example of the
Decimal::Multiply( Decimal, Decimal ),
Decimal::Divide( Decimal, Decimal ), and
Decimal::Remainder( Decimal, Decimal )
methods generates the following output. It displays the product,
quotient, and remainder of several pairs of Decimal objects.
Decimal Left 1000
Decimal Right 7
Decimal::Multiply( Left, Right ) 7000
Decimal::Divide( Left, Right ) 142.85714285714285714285714286
Decimal::Remainder( Left, Right ) 6
Decimal Left -1000
Decimal Right 7
Decimal::Multiply( Left, Right ) -7000
Decimal::Divide( Left, Right ) -142.85714285714285714285714286
Decimal::Remainder( Left, Right ) -6
Decimal Left 123.0000000
Decimal Right 0.0012300
Decimal::Multiply( Left, Right ) 0.15129000000000
Decimal::Divide( Left, Right ) 100000
Decimal::Remainder( Left, Right ) 0
Decimal Left 12345678900000000
Decimal Right 0.0000000012345678
Decimal::Multiply( Left, Right ) 15241577.6390794200000000
Decimal::Divide( Left, Right ) 10000000729000059778004901.796
Decimal::Remainder( Left, Right ) 0.000000000983
Decimal Left 123456789.0123456789
Decimal Right 123456789.1123456789
Decimal::Multiply( Left, Right ) 15241578765584515.651425087878
Decimal::Divide( Left, Right ) 0.9999999991899999933660999449
Decimal::Remainder( Left, Right ) 123456789.0123456789
*/
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必要条件
プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ, .NET Compact Framework - Windows CE .NET, Common Language Infrastructure (CLI) Standard
参照
Decimal 構造体 | Decimal メンバ | System 名前空間 | Add | Subtract | Divide