Byte.MinValue 字段
重要
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表示 Byte 的最小可能值。 此字段为常数。
public: System::Byte MinValue = 0;C#
public const byte MinValue = 0;val mutable MinValue : bytePublic Const MinValue As Byte = 0以下示例演示如何使用 MinValue 字段来筛选可能字节值范围之外的值的变量输入。
public:
void MinMaxFields( Int32 numberToSet )
{
if ( numberToSet <= (Int32)Byte::MaxValue && numberToSet >= (Int32)Byte::MinValue )
{
// You must explicitly convert an integer to a byte.
MemberByte = (Byte)numberToSet;
// Displays MemberByte using the ToString() method.
Console::WriteLine( "The MemberByte value is {0}", MemberByte.ToString() );
}
else
{
Console::WriteLine( "The value {0} is outside of the range of possible Byte values", numberToSet.ToString() );
}
}
C#
public void MinMaxFields(int numberToSet)
{
if(numberToSet <= (int)Byte.MaxValue && numberToSet >= (int)Byte.MinValue)
{
// You must explicitly convert an integer to a byte.
MemberByte = (Byte)numberToSet;
// Displays MemberByte using the ToString() method.
Console.WriteLine("The MemberByte value is {0}", MemberByte.ToString());
}
else
{
Console.WriteLine("The value {0} is outside of the range of possible Byte values", numberToSet.ToString());
}
}
let minMaxFields numberToSet =
if numberToSet <= int Byte.MaxValue && numberToSet >= int Byte.MinValue then
// You must explicitly convert an integer to a byte.
let myByte = byte numberToSet
printfn $"The MemberByte value is {myByte}"
else
printfn $"The value {numberToSet} is outside of the range of possible Byte values"
Public Sub MinMaxFields(ByVal numberToSet As Integer)
If numberToSet <= CInt([Byte].MaxValue) And numberToSet >= CInt([Byte].MinValue) Then
' You must explicitly convert an integer to a byte.
MemberByte = CType(numberToSet, [Byte])
' Displays MemberByte using the ToString() method.
Console.WriteLine("The MemberByte value is {0}.", MemberByte.ToString())
Else
Console.WriteLine("The value {0} is outside of the range of possible Byte values.", numberToSet.ToString())
End If
End Sub
此常量的值为 0。
| 产品 | 版本 |
|---|---|
| .NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1 |
| UWP | 10.0 |
