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.NET Framework 3.5
CultureInfo Class
 CurrentUICulture Property
This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:
.NET Framework Class Library
CultureInfo..::.CurrentUICulture Property

Updated: November 2007

Gets the CultureInfo that represents the current culture used by the Resource Manager to look up culture-specific resources at run time.

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

Visual Basic (Declaration)
Public Shared ReadOnly Property CurrentUICulture As CultureInfo
Visual Basic (Usage)
Dim value As CultureInfo

value = CultureInfo.CurrentUICulture
C#
public static CultureInfo CurrentUICulture { get; }
Visual C++
public:
static property CultureInfo^ CurrentUICulture {
    CultureInfo^ get ();
}
J#
/** @property */
public static CultureInfo get_CurrentUICulture()
JScript
public static function get CurrentUICulture () : CultureInfo

Property Value

Type: System.Globalization..::.CultureInfo

The CultureInfo that represents the current culture used by the Resource Manager to look up culture-specific resources at run time.

The culture is a property of the executing thread. This property returns Thread..::.CurrentUICulture. When a thread is started, its UI culture is initially determined by using GetUserDefaultUILanguage from the Windows API. To change the UI culture used by a thread, the application should set Thread..::.CurrentUICulture to the new culture. Changing the culture of Thread..::.CurrentThread requires a SecurityPermission with the ControlThread value set. Manipulating threads is dangerous because of the security state associated with threads. Therefore, this permission should be given only to trustworthy code, and then only as necessary. Your application cannot change thread culture in semi-trusted code.

The following code example demonstrates how to change the CurrentCulture and CurrentUICulture of the current thread.

Visual Basic
Imports System
Imports System.Globalization
Imports System.Security.Permissions
Imports System.Threading

<assembly: SecurityPermission(SecurityAction.RequestMinimum, ControlThread := True)>
Public Class SamplesCultureInfo

   Public Shared Sub Main()

      ' Displays the name of the CurrentCulture of the current thread.
      Console.WriteLine("CurrentCulture is {0}.", CultureInfo.CurrentCulture.Name)

      ' Changes the CurrentCulture of the current thread to th-TH.
      Thread.CurrentThread.CurrentCulture = New CultureInfo("th-TH", False)
      Console.WriteLine("CurrentCulture is now {0}.", CultureInfo.CurrentCulture.Name)

      ' Displays the name of the CurrentUICulture of the current thread.
      Console.WriteLine("CurrentUICulture is {0}.", CultureInfo.CurrentUICulture.Name)

      ' Changes the CurrentUICulture of the current thread to ja-JP.
      Thread.CurrentThread.CurrentUICulture = New CultureInfo("ja-JP", False)
      Console.WriteLine("CurrentUICulture is now {0}.", CultureInfo.CurrentUICulture.Name)

   End Sub 'Main 

End Class 'SamplesCultureInfo


'This code produces the following output, if the ControlThread permission is granted (for example, if this code is run from the local drive).
'
'CurrentCulture is en-US.
'CurrentCulture is now th-TH.
'CurrentUICulture is en-US.
'CurrentUICulture is now ja-JP.


C#
using System;
using System.Globalization;
using System.Security.Permissions;
using System.Threading;

[assembly:SecurityPermission( SecurityAction.RequestMinimum, ControlThread = true )]
public class SamplesCultureInfo  {

   public static void Main()  {

      // Displays the name of the CurrentCulture of the current thread.
      Console.WriteLine( "CurrentCulture is {0}.", CultureInfo.CurrentCulture.Name );

      // Changes the CurrentCulture of the current thread to th-TH.
      Thread.CurrentThread.CurrentCulture = new CultureInfo( "th-TH", false );
      Console.WriteLine( "CurrentCulture is now {0}.", CultureInfo.CurrentCulture.Name );

      // Displays the name of the CurrentUICulture of the current thread.
      Console.WriteLine( "CurrentUICulture is {0}.", CultureInfo.CurrentUICulture.Name );

      // Changes the CurrentUICulture of the current thread to ja-JP.
      Thread.CurrentThread.CurrentUICulture = new CultureInfo( "ja-JP", false );
      Console.WriteLine( "CurrentUICulture is now {0}.", CultureInfo.CurrentUICulture.Name );

   }

}

/*
This code produces the following output, if the ControlThread permission is granted (for example, if this code is run from the local drive).

CurrentCulture is en-US.
CurrentCulture is now th-TH.
CurrentUICulture is en-US.
CurrentUICulture is now ja-JP.

*/

Visual C++
using namespace System;
using namespace System::Globalization;
using namespace System::Security::Permissions;
using namespace System::Threading;

[assembly:SecurityPermission(SecurityAction::RequestMinimum,ControlThread=true)];
int main()
{

   // Displays the name of the CurrentCulture of the current thread.
   Console::WriteLine(  "CurrentCulture is {0}.", CultureInfo::CurrentCulture->Name );

   // Changes the CurrentCulture of the current thread to th-TH.
   Thread::CurrentThread->CurrentCulture = gcnew CultureInfo(  "th-TH",false );
   Console::WriteLine(  "CurrentCulture is now {0}.", CultureInfo::CurrentCulture->Name );

   // Displays the name of the CurrentUICulture of the current thread.
   Console::WriteLine(  "CurrentUICulture is {0}.", CultureInfo::CurrentCulture->Name );

   // Changes the CurrentUICulture of the current thread to ja-JP.
   Thread::CurrentThread->CurrentUICulture = gcnew CultureInfo(  "ja-JP",false );
   Console::WriteLine(  "CurrentUICulture is now {0}.", CultureInfo::CurrentCulture->Name );
}

/*
This code produces the following output, if the ControlThread permission is granted (for example, if this code is run from the local drive).

CurrentCulture is en-US.
CurrentCulture is now th-TH.
CurrentUICulture is en-US.
CurrentUICulture is now ja-JP.

*/

J#
import System.* ;
import System.Globalization.* ;
import System.Security.Permissions.* ;
import System.Threading.* ;

/** @assembly SecurityPermission(SecurityAction.RequestMinimum, 
        ControlThread = true)
 */
public class SamplesCultureInfo
{
       public static void main(String[] args)
    {
        // Displays the name of the CurrentCulture of the current thread.
        Console.WriteLine("CurrentCulture is {0}.", 
            CultureInfo.get_CurrentCulture().get_Name());

        // Changes the CurrentCulture of the current thread to th-TH.
        System.Threading.Thread.get_CurrentThread().set_CurrentCulture( 
            new CultureInfo("th-TH", false));
        Console.WriteLine("CurrentCulture is now {0}.", 
            CultureInfo.get_CurrentCulture().get_Name());

        // Displays the name of the CurrentUICulture of the current thread.
        Console.WriteLine("CurrentUICulture is {0}.", 
            CultureInfo.get_CurrentUICulture().get_Name());

        // Changes the CurrentUICulture of the current thread to ja-JP.
        System.Threading.Thread.get_CurrentThread().set_CurrentUICulture( 
            new CultureInfo("ja-JP", false));
        Console.WriteLine("CurrentUICulture is now {0}.", 
            CultureInfo.get_CurrentUICulture().get_Name());
    } //main 
} //SamplesCultureInfo

/*
This code produces the following output, if the ControlThread permission is 
granted (for example, if this code is run from the local drive).

CurrentCulture is en-US.
CurrentCulture is now th-TH.
CurrentUICulture is en-US.
CurrentUICulture is now ja-JP.
*/

Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 2.0, 1.0
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