VB.NET DateTimeFormatInfo.SetAllDateTimePatterns方法代码示例

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本文整理汇总了VB.NET中System.Globalization.DateTimeFormatInfo.SetAllDateTimePatterns方法的典型用法代码示例。如果您正苦于以下问题：VB.NET DateTimeFormatInfo.SetAllDateTimePatterns方法的具体用法？VB.NET DateTimeFormatInfo.SetAllDateTimePatterns怎么用？VB.NET DateTimeFormatInfo.SetAllDateTimePatterns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。您也可以进一步了解该方法所在类System.Globalization.DateTimeFormatInfo的用法示例。

在下文中一共展示了DateTimeFormatInfo.SetAllDateTimePatterns方法的1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: Example

' 导入命名空间
Imports System.Globalization

Module Example
   Public Sub Main()
      ' Use standard en-US culture.
      Dim enUS As New CultureInfo("en-US")
      
      Dim values() As String = { "December 2010", "December, 2010",  
                                 "Dec-2010", "December-2010" } 
      
      Console.WriteLine("Supported Y/y patterns for {0} culture:", enUS.Name)
      For Each pattern In enUS.DateTimeFormat.GetAllDateTimePatterns("Y"c)
         Console.WriteLine("   " + pattern)
      Next 
      Console.WriteLine()
      
      ' Try to parse each date string using "Y" format specifier.
      For Each value In values
         Try
            Dim dat As Date = Date.ParseExact(value, "Y", enUS)
            Console.WriteLine(String.Format(enUS, "   Parsed {0} as {1:Y}", value, dat))
         Catch e As FormatException
            Console.WriteLine("   Cannot parse {0}", value)
         End Try   
      Next   
      Console.WriteLine()
      
      'Modify supported "Y" format.
      enUS.DateTimeFormat.SetAllDateTimePatterns( { "MMM-yyyy" } , "Y"c)
      
      Console.WriteLine("New supported Y/y patterns for {0} culture:", enUS.Name)
      For Each pattern In enUS.DateTimeFormat.GetAllDateTimePatterns("Y"c)
         Console.WriteLine("   " + pattern)
      Next 
      Console.WriteLine()

      ' Try to parse each date string using "Y" format specifier.
      For Each value In values
         Try
            Dim dat As Date = Date.ParseExact(value, "Y", enUS)
            Console.WriteLine(String.Format(enUS, "   Parsed {0} as {1:Y}", value, dat))
         Catch e As FormatException
            Console.WriteLine("   Cannot parse {0}", value)
         End Try   
      Next   
   End Sub
End Module

开发者ID:VB.NET开发者，项目名称:System.Globalization，代码行数:48，代码来源:DateTimeFormatInfo.SetAllDateTimePatterns

输出：

Supported Y/y patterns for en-US culture:
MMMM, yyyy

Cannot parse December 2010
Parsed December, 2010 as December, 2010
Cannot parse Dec-2010
Cannot parse December-2010

New supported Y/y patterns for en-US culture:
MMM-yyyy

Cannot parse December 2010
Cannot parse December, 2010
Parsed Dec-2010 as Dec-2010
Cannot parse December-2010

注：本文中的System.Globalization.DateTimeFormatInfo.SetAllDateTimePatterns方法示例由纯净天空整理自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。