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DateTimeFormatInfo.RFC1123Pattern Property

 

Gets the custom format string for a time value that is based on the Internet Engineering Task Force (IETF) Request for Comments (RFC) 1123 specification.

Namespace:   System.Globalization
Assembly:  mscorlib (in mscorlib.dll)

public string RFC1123Pattern { get; }

Property Value

Type: System.String

The custom format string for a time value that is based on the IETF RFC 1123 specification.

The RFC1123Pattern property defines the culture-specific format of date strings that are returned by calls to the DateTime.ToString and DateTimeOffset.ToString methods and by composite format strings that are supplied the "r" and "R" standard format strings.

The RFC1123 pattern reflects a defined standard, and the property is read-only. Therefore, it is always the same, regardless of the culture. The custom format string is "ddd, dd MMM yyyy HH':'mm':'ss 'GMT'".

The following example displays the value of RFC1123Pattern for a few cultures.

using System;
using System.Globalization;


public class SamplesDTFI  {

   public static void Main()  {

      // Displays the values of the pattern properties.
      Console.WriteLine( " CULTURE    PROPERTY VALUE" );
      PrintPattern( "en-US" );
      PrintPattern( "ja-JP" );
      PrintPattern( "fr-FR" );

   }

   public static void PrintPattern( String myCulture )  {

      DateTimeFormatInfo myDTFI = new CultureInfo( myCulture, false ).DateTimeFormat;
      Console.WriteLine( "  {0}     {1}", myCulture, myDTFI.RFC1123Pattern );

   }

}

/*
This code produces the following output.

 CULTURE    PROPERTY VALUE
  en-US     ddd, dd MMM yyyy HH':'mm':'ss 'GMT'
  ja-JP     ddd, dd MMM yyyy HH':'mm':'ss 'GMT'
  fr-FR     ddd, dd MMM yyyy HH':'mm':'ss 'GMT'

*/

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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