Desktop Functions:

   Smart Device Functions:

Show Recent Changes
Subscribe (RSS)
Misc. Pages
Helpful Tools
Suggested Reading
Website TODO List
Download Visual Studio Add-In

ImmSetOpenStatus (coredll)

coredll is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for ImmSetOpenStatus in other DLLs exists, click on Find References to the right.

TODO - a short description

C# Signature:

public static extern bool ImmSetOpenStatus(IntPtr hIMC, bool flag);

VB Signature:

Declare Function ImmSetOpenStatus Lib "coredll.dll" (TODO) As TODO

User-Defined Types:


Alternative Managed API:

Do you know one? Please contribute it!


IME is used to Convert Keyboad input to Local Language.

example Chinese, Japanese, Korean and other.

Tips & Tricks:

Please add some!

Sample Code:

     private static bool setIME(bool mode){
        IntPtr hWnd= IntPtr.Zero;
        hWnd= GetActiveWindow();
        if(hWnd == IntPtr.Zero){
        //Can't find ActiveWindow
        return false;

        IntPtr context= IntPtr.Zero;

        context= ImmGetContext(hWnd);       //get IMEContext

        if(mode == true){
            //get IMEStatus
            //    System.Windows.Forms.MessageBox.Show ("IME has be Opened");
            // open IME
            return ImmSetOpenStatus( context, true ); // IME on
        if(mode == false){
            //get IMEStatus
            //    System.Windows.Forms.MessageBox.Show ("IME has be Opened");
            // close IME(direct input for Alphabet and Number)
            return ImmSetOpenStatus( context, false ); // IME off

        if(context != IntPtr.Zero){
            ImmReleaseContext(hWnd, context);   //Release IMEContext

        return false;


Please edit this page!

Do you have...

  • helpful tips or sample code to share for using this API in managed code?
  • corrections to the existing content?
  • variations of the signature you want to share?
  • additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).

Access directly from VS:
Terms of Use
Edit This Page
Find References
Show Printable Version