Int16.MinValue 字段
重要
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表示 Int16 的最小可能值。 此字段为常数。
public: short MinValue = -32768;C#
public const short MinValue = -32768;val mutable MinValue : int16Public Const MinValue As Short = -32768下面的示例使用 MinValue 属性在转换为Int16值时阻止 OverflowException 。
array<Int64>^ numbersToConvert = {162345, 32183, -54000};
Int16 newNumber;
for each (Int64 number in numbersToConvert)
{
if (number >= Int16::MinValue && number <= Int16::MaxValue)
{
newNumber = Convert::ToInt16(number);
Console::WriteLine("Successfully converted {0} to an Int16.",
newNumber);
}
else
{
Console::WriteLine("Unable to convert {0} to an Int16.", number);
}
}
// The example displays the following output:
// Unable to convert 162345 to an Int16.
// Successfully converted 32183 to an Int16.
// Unable to convert -54000 to an Int16.
C#
long[] numbersToConvert = {162345, 32183, -54000};
short newNumber;
foreach (long number in numbersToConvert)
{
if (number >= Int16.MinValue && number <= Int16.MaxValue)
{
newNumber = Convert.ToInt16(number);
Console.WriteLine($"Successfully converted {newNumber} to an Int16.");
}
else
{
Console.WriteLine($"Unable to convert {number} to an Int16.");
}
}
// The example displays the following output to the console:
// Unable to convert 162345 to an Int16.
// Successfully converted 32183 to an Int16.
// Unable to convert -54000 to an Int16.
open System
let numbersToConvert = [ 162345L; 32183L; -54000L ]
for number in numbersToConvert do
if number >= int64 Int16.MinValue && number <= int64 Int16.MaxValue then
let newNumber = Convert.ToInt16 number
printfn $"Successfully converted {newNumber} to an Int16."
else
printfn $"Unable to convert {number} to an Int16."
// The example displays the following output to the console:
// Unable to convert 162345 to an Int16.
// Successfully converted 32183 to an Int16.
// Unable to convert -54000 to an Int16.
Dim numbersToConvert() As Long = {162345, 32183, -54000}
Dim newNumber As Int16
For Each number As Long In NumbersToConvert
If number >= Int16.MinValue And number <= Int16.MaxValue Then
newNumber = Convert.ToInt16(number)
Console.WriteLine("Successfully converted {0} to an Int16.", _
newNumber)
Else
Console.WriteLine("Unable to convert {0} to an Int16.", number)
End If
Next
' The example displays the following output to the console:
' Unable to convert 162345 to an Int16.
' Successfully converted 32183 to an Int16.
' Unable to convert -54000 to an Int16.
此常量的值为 -32768;即十六进制0x8000。
属性 MinValue 通常用于防止 OverflowException 从具有较大较小范围的数字类型转换为 (如 Int32 或 Int64) 到 Int16。 该示例演示了此用法。
| 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 |
