Not able to get IME Input Context through C++ (ImmGetContext)

Hi I am trying to disable the IME on notepad using the following psuedo code:

MakeNotepadActiveWindow();//Notepad is already open and set to Japanese IME

HWND hwnd = GetTheHWNDForNotepad();

HIMC context = ImmGetContext(hwnd);
if(context == NULL)
printf("context is null %d ",GetLastError());

and the above code is always giving me the null context. GetLastError() gives 0;

Could someb开发者_开发百科ody tell me how to get the InputContext

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Just in case somebody else runs into similar problem

• You can't get the input context for a window unless you own it.
• So you need to call ImmGetInputContext(hwnd) by executing the code in that window's process.