VB.NET SByte.TryParse方法代码示例

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本文整理汇总了VB.NET中System.SByte.TryParse方法的典型用法代码示例。如果您正苦于以下问题：VB.NET SByte.TryParse方法的具体用法？VB.NET SByte.TryParse怎么用？VB.NET SByte.TryParse使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。

在下文中一共展示了SByte.TryParse方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1: numericStrings

Dim numericStrings() As String = {"-3.6", "12.8", "+16.7", "    3   ", _
                                  "(17)", "-17", "+12", "18-", "987", _
                                  "1,024", "  127 "}
Dim number As SByte
For Each numericString As String In numericStrings
   If SByte.TryParse(numericString, number) Then
      Console.WriteLine("Converted '{0}' to {1}.", numericString, number)
   Else
      Console.WriteLine("Cannot convert '{0}' to an SByte.", numericString)
   End If      
Next

开发者ID:VB.NET开发者，项目名称:System，代码行数:11，代码来源:SByte.TryParse

输出：

Cannot convert '-3.6' to an SByte.
Cannot convert '12.8' to an SByte.
Cannot convert '+16.7' to an SByte.
Converted '    3   ' to 3.
Cannot convert '(17)' to an SByte.
Converted '-17' to -17.
Converted '+12' to 12.
Cannot convert '18-' to an SByte.
Cannot convert '987' to an SByte.
Cannot convert '1,024' to an SByte.
Converted '  127 ' to 127.

示例2: StringParsing

' 导入命名空间
Imports System.Globalization

Module StringParsing
   Public Sub Main()
      Dim numericString As String
      Dim styles As NumberStyles
      
      numericString = "106"
      styles = NumberStyles.Integer
      CallTryParse(numericString, styles)
      
      numericString = "-106"
      styles = NumberStyles.None
      CallTryParse(numericString, styles)
      
      numericString = "103.00"
      styles = NumberStyles.Integer Or NumberStyles.AllowDecimalPoint
      CallTryParse(numericString, styles)
      
      numericString = "103.72"
      styles = NumberStyles.Integer Or NumberStyles.AllowDecimalPoint
      CallTryParse(numericString, styles)

      numericString = "10E-01"
      styles = NumberStyles.Integer Or NumberStyles.AllowExponent
      CallTryParse(numericString, styles) 
      
      numericString = "12E-01"
      CallTryParse(numericString, styles)
          
      numericString = "12E01"
      CallTryParse(numericString, styles) 
      
      numericString = "C8"
      CallTryParse(numericString, NumberStyles.HexNumber)
      
      numericString = "0x8C"
      CallTryParse(numericString, NumberStyles.HexNumber)
   End Sub
   
   Private Sub CallTryParse(stringToConvert As String, styles AS NumberStyles)
      Dim number As SByte
      Dim result As Boolean = SByte.TryParse(stringToConvert, styles, _
                                             CultureInfo.InvariantCulture, number)
      If result Then
         Console.WriteLine("Converted '{0}' to {1}.", stringToConvert, number)
      Else
         Console.WriteLine("Attempted conversion of '{0}' failed.", _
                           Convert.ToString(stringToConvert))
      End If                                                                           
   End Sub
End Module

开发者ID:VB.NET开发者，项目名称:System，代码行数:53，代码来源:SByte.TryParse

输出：

Converted '106' to 106.
Attempted conversion of '-106' failed.
Converted '103.00' to 103.
Attempted conversion of '103.72' failed.
Converted '10E-01' to 1.
Attempted conversion of '12E-01' failed.
Converted '12E01' to 120.
Converted 'C8' to -56.
Attempted conversion of '0x8C' failed.

注：本文中的System.SByte.TryParse方法示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。