CultureInfo.IsReadOnly Property

Property Value

Type: System.Boolean
true if the current CultureInfo object is read-only; otherwise, false. The default is false.

Imports System.Globalization


Public Class Example

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

      ' Creates a CultureInfo.
      Dim myCI As New CultureInfo("en-US")

      ' Creates a read-only CultureInfo based on myCI.
      Dim myReadOnlyCI As CultureInfo = CultureInfo.ReadOnly(myCI)

      ' Display the read-only status of each CultureInfo and their DateTimeFormat and NumberFormat properties.
      If myCI.IsReadOnly Then
         outputBlock.Text &= "myCI is read only." & vbCrLf
      Else
         outputBlock.Text &= "myCI is writable." & vbCrLf
      End If

      If myCI.DateTimeFormat.IsReadOnly Then
         outputBlock.Text &= "myCI.DateTimeFormat is read only." & vbCrLf
      Else
         outputBlock.Text &= "myCI.DateTimeFormat is writable." & vbCrLf
      End If

      If myCI.NumberFormat.IsReadOnly Then
         outputBlock.Text &= "myCI.NumberFormat is read only." & vbCrLf
      Else
         outputBlock.Text &= "myCI.NumberFormat is writable." & vbCrLf
      End If

      If myReadOnlyCI.IsReadOnly Then
         outputBlock.Text &= "myReadOnlyCI is read only." & vbCrLf
      Else
         outputBlock.Text &= "myReadOnlyCI is writable." & vbCrLf
      End If

      If myReadOnlyCI.DateTimeFormat.IsReadOnly Then
         outputBlock.Text &= "myReadOnlyCI.DateTimeFormat is read only." & vbCrLf
      Else
         outputBlock.Text &= "myReadOnlyCI.DateTimeFormat is writable." & vbCrLf
      End If

      If myReadOnlyCI.NumberFormat.IsReadOnly Then
         outputBlock.Text &= "myReadOnlyCI.NumberFormat is read only." & vbCrLf
      Else
         outputBlock.Text &= "myReadOnlyCI.NumberFormat is writable." & vbCrLf
      End If

   End Sub 'Main 

End Class 'SamplesCultureInfo


' This code produces the following output.
'
' myCI is writable.
' myCI.DateTimeFormat is writable.
' myCI.NumberFormat is writable.
' myReadOnlyCI is read only.
' myReadOnlyCI.DateTimeFormat is read only.
' myReadOnlyCI.NumberFormat is read only.

using System;
using System.Globalization;


public class Example
{

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

      // Creates a CultureInfo.
      CultureInfo myCI = new CultureInfo("en-US");

      // Creates a read-only CultureInfo based on myCI.
      CultureInfo myReadOnlyCI = CultureInfo.ReadOnly(myCI);

      // Display the read-only status of each CultureInfo and their DateTimeFormat and NumberFormat properties.
      outputBlock.Text += String.Format("myCI is {0}.", myCI.IsReadOnly ? "read only" : "writable") + "\n";
      outputBlock.Text += String.Format("myCI.DateTimeFormat is {0}.", myCI.DateTimeFormat.IsReadOnly ? "read only" : "writable") + "\n";
      outputBlock.Text += String.Format("myCI.NumberFormat is {0}.", myCI.NumberFormat.IsReadOnly ? "read only" : "writable") + "\n";
      outputBlock.Text += String.Format("myReadOnlyCI is {0}.", myReadOnlyCI.IsReadOnly ? "read only" : "writable") + "\n";
      outputBlock.Text += String.Format("myReadOnlyCI.DateTimeFormat is {0}.", myReadOnlyCI.DateTimeFormat.IsReadOnly ? "read only" : "writable") + "\n";
      outputBlock.Text += String.Format("myReadOnlyCI.NumberFormat is {0}.", myReadOnlyCI.NumberFormat.IsReadOnly ? "read only" : "writable") + "\n";

   }

}

/*
This code produces the following output.

myCI is writable.
myCI.DateTimeFormat is writable.
myCI.NumberFormat is writable.
myReadOnlyCI is read only.
myReadOnlyCI.DateTimeFormat is read only.
myReadOnlyCI.NumberFormat is read only.

*/