InputLanguage Class
Provides methods and fields to manage the input language. This class cannot be inherited.
For a list of all members of this type, see InputLanguage Members.
System.Object
System.Windows.Forms.InputLanguage
[Visual Basic] NotInheritable Public Class InputLanguage [C#] public sealed class InputLanguage [C++] public __gc __sealed class InputLanguage [JScript] public class InputLanguage
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Remarks
An input language is a culture/keyboard layout pair that determines how the physical keys on a keyboard map or plot to characters in a language.
Use the static (Shared in Visual Basic) methods provided to find all installed mappings of the system and to change the input language for a thread or process. Call CurrentInputLanguage to get the current input language. Call DefaultInputLanguage for the default input language. Call InstalledInputLanguages to get all the installed languages in this system. Once you have a list of all the installed languages, use CurrentInputLanguage to change the current input language to a different language.
Example
[Visual Basic, C#, C++] The following example gets a list of installed languages. It assumes that textBox1 has been instantiated and that textBox1.MultiLine has been set to true.
[Visual Basic] Public Sub GetLanguages() ' Gets the list of installed languages. Dim lang As InputLanguage For Each lang In InputLanguage.InstalledInputLanguages textBox1.Text &= lang.Culture.EnglishName & ControlChars.Cr Next lang End Sub 'GetLanguages [C#] public void GetLanguages() { // Gets the list of installed languages. foreach(InputLanguage lang in InputLanguage.InstalledInputLanguages) { textBox1.Text += lang.Culture.EnglishName + '\n'; } } [C++] public: void GetLanguages() { // Gets the list of installed languages. System::Collections::IEnumerator* myEnum = InputLanguage::InstalledInputLanguages->GetEnumerator(); while (myEnum->MoveNext()) { InputLanguage* lang = __try_cast<InputLanguage*>(myEnum->Current); textBox1->Text = String::Concat( textBox1->Text, lang->Culture->EnglishName, S"\n" ); } }
[Visual Basic, C#, C++] The next example sets the default input language as the current input language. It assumes that textBox1 has been instantiated and that textBox1.MultiLine has been set to true.
[Visual Basic] Public Sub SetNewCurrentLanguage() ' Gets the default, and current languages. Dim myDefaultLanguage As InputLanguage = InputLanguage.DefaultInputLanguage Dim myCurrentLanguage As InputLanguage = InputLanguage.CurrentInputLanguage textBox1.Text = "Current input language is: " & _ myCurrentLanguage.Culture.EnglishName & ControlChars.Cr textBox1.Text &= "Default input language is: " & _ myDefaultLanguage.Culture.EnglishName & ControlChars.Cr ' Changes the current input language to the default, and prints the new current language. InputLanguage.CurrentInputLanguage = myDefaultLanguage textBox1.Text &= "Current input language is now: " & _ myDefaultLanguage.Culture.EnglishName End Sub 'SetNewCurrentLanguage [C#] public void SetNewCurrentLanguage() { // Gets the default, and current languages. InputLanguage myDefaultLanguage = InputLanguage.DefaultInputLanguage; InputLanguage myCurrentLanguage = InputLanguage.CurrentInputLanguage; textBox1.Text = "Current input language is: " + myCurrentLanguage.Culture.EnglishName + '\n'; textBox1.Text += "Default input language is: " + myDefaultLanguage.Culture.EnglishName + '\n'; // Changes the current input language to the default, and prints the new current language. InputLanguage.CurrentInputLanguage = myDefaultLanguage; textBox1.Text += "Current input language is now: " + myDefaultLanguage.Culture.EnglishName; } [C++] public: void SetNewCurrentLanguage() { // Gets the default, and current languages. InputLanguage* myDefaultLanguage = InputLanguage::DefaultInputLanguage; InputLanguage* myCurrentLanguage = InputLanguage::CurrentInputLanguage; textBox1->Text = String::Format( S"Current input language is: {0}\nDefault input language is: {1}\n", myCurrentLanguage->Culture->EnglishName, myDefaultLanguage->Culture->EnglishName ); // Changes the current input language to the default, and prints the new current language. InputLanguage::CurrentInputLanguage = myDefaultLanguage; textBox1->Text = String::Format( S"{0}Current input language is now: {1}", textBox1->Text, myDefaultLanguage->Culture->EnglishName ); }
[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button
in the upper-left corner of the page.
Requirements
Namespace: System.Windows.Forms
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)