RegionInfo Constructor

Parameters

• name
  Type: System.String
  A string containing the full culture name for a specific culture.

Imports System.Globalization


Public Class Example

   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)

      ' Creates a RegionInfo using the es-US culture name.
      Dim myRI1 As New RegionInfo("es-US")

      ' Creates a RegionInfo using a CultureInfo name.
      Dim myRI2 As New RegionInfo(New CultureInfo("en-US").Name)

      ' Compares the two instances.
      If myRI1.Equals(myRI2) Then
         outputBlock.Text &= "The two RegionInfo instances are equal." & vbCrLf
      Else
         outputBlock.Text &= "The two RegionInfo instances are NOT equal." & vbCrLf
      End If
   End Sub
End Class 
' This example produces the following output.
'       The two RegionInfo instances are equal.

using System;
using System.Globalization;

public class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      // Creates a RegionInfo using the es-US culture name.
      RegionInfo myRI1 = new RegionInfo("es-US");

      // Creates a RegionInfo using a CultureInfo Name property
      RegionInfo myRI2 = new RegionInfo(new CultureInfo("en-US").Name);

      // Compares the two instances.
      if (myRI1.Equals(myRI2))
         outputBlock.Text += "The two RegionInfo instances are equal." + "\n";
      else
         outputBlock.Text += "The two RegionInfo instances are NOT equal." + "\n";
   }
}
/*
This code produces the following output.
   The two RegionInfo instances are equal.
*/

Imports System.Globalization

Public Class Example
   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      ' Creates an array containing culture names.
      Dim myCultures() As String = {"", "ar", "ar-DZ", "en", "en-US"}

      ' Creates a RegionInfo for each of the culture names.
      '    Note that "ar" is the culture name for the neutral culture "Arabic",
      '    but it is also the region name for the country/region "Argentina";
      '    therefore, it does not fail as expected.
      outputBlock.Text &= "Without checks..." & vbCrLf
      For Each cul As String In myCultures
         Try
            Dim myRI As New RegionInfo(cul)
         Catch e As ArgumentException
            outputBlock.Text &= e.ToString() & vbCrLf
         End Try
      Next cul

      outputBlock.Text &= vbCrLf

      outputBlock.Text &= "Checking the culture names first..." & vbCrLf
      For Each cul In myCultures
         If cul = "" Then
            outputBlock.Text &= "The culture is the invariant culture." & vbCrLf
         Else
            Dim myCI As New CultureInfo(cul)
            If myCI.IsNeutralCulture Then
               outputBlock.Text += String.Format("The culture '{0}' is a neutral culture.", cul) & vbCrLf
            Else
               outputBlock.Text += String.Format("The culture '{0}' is a specific culture.", cul) & vbCrLf
               Try
                  Dim myRI As New RegionInfo(cul)
               Catch e As ArgumentException
                  outputBlock.Text &= e.ToString() & vbCrLf
               End Try
            End If
         End If
      Next 
   End Sub  
End Class 
' This example produces the following output.
'    Without checks...
'    System.ArgumentException: The region name ar should not correspond to neutral culture; a specific culture is required.
'    Parameter name: name
'       at System.Globalization.RegionInfo..ctor(String name)
'       at SilverlightApplication.Example.Demo(TextBlock outputBlock)
'    System.ArgumentException: The region name ar should not correspond to neutral culture; a specific culture is required.
'    Parameter name: name
'       at System.Globalization.RegionInfo..ctor(String name)
'       at Silverlight.Application.Example.Demo(TextBlock outputBlock)
'    
'    Checking the culture names first...
'    The culture '' is the invariant culture.
'    The culture 'ar' is a neutral culture.
'    The culture 'ar-DZ' is a specific culture.
'    The culture 'en' is a neutral culture.
'    The culture 'en-US' is a specific culture.

using System;
using System.Globalization;

public class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {

      // Creates an array containing culture names.
      String[] myCultures = new String[] { "", "ar", "ar-DZ", "en", "en-US" };

      // Creates a RegionInfo for each of the culture names.
      //    Note that "ar" is the culture name for the neutral culture "Arabic",
      //    but it is also the region name for the country/region "Argentina";
      //    therefore, it does not fail as expected.
      outputBlock.Text += "Without checks..." + "\n";
      foreach (String cul in myCultures)
      {
         try
         {
            RegionInfo myRI = new RegionInfo(cul);
         }
         catch (ArgumentException e)
         {
            outputBlock.Text += e.ToString() + "\n";
         }
      }

      outputBlock.Text += "\n";

      outputBlock.Text += "Checking the culture names first..." + "\n";
      foreach (String cul in myCultures)
      {
         if (cul == "")
         {
            outputBlock.Text += "The culture is the invariant culture." + "\n";
         }
         else
         {
            CultureInfo myCI = new CultureInfo(cul);
            if (myCI.IsNeutralCulture)
               outputBlock.Text += String.Format("The culture '{0}' is a neutral culture.", cul) + "\n";
            else
            {
               outputBlock.Text += String.Format("The culture '{0}' is a specific culture.", cul) + "\n";
               try
               {
                  RegionInfo myRI = new RegionInfo(cul);
               }
               catch (ArgumentException e)
               {
                  outputBlock.Text += e.ToString() + "\n";
               }
            }
         }
      }
   }
}
/*
This example produces the following output.
   Without checks...
   System.ArgumentException: The region name ar should not correspond to neutral culture; a specific culture is required.
   Parameter name: name
      at System.Globalization.RegionInfo..ctor(String name)
      at Example.Demo(TextBlock outputBlock)
   System.ArgumentException: The region name ar should not correspond to neutral culture; a specific culture is required.
   Parameter name: name
      at System.Globalization.RegionInfo..ctor(String name)
      at Example.Demo(TextBlock outputBlock)

   Checking the culture names first...
   The culture '' is the invariant culture.
   The culture 'ar' is a neutral culture.
   The culture 'ar-DZ' is a specific culture.
   The culture 'en' is a neutral culture.
   The culture 'en-US' is a specific culture.
*/