windows - ImmNotifyIME() with empty string? -

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i have doubt on immnotifyime() function. 

immnotifyime(hwnd, ni_compositionstr, cps_cancel, 0);

if created hwnd empty string. then, return? whether through error?

immnotifyime takes handle input context, not hwnd. but, assuming meant

himc himc = immgetcontext(hwnd); immnotifyime(immgetcontext(hwnd), ni_compositionstr, cps_cancel, 0); immreleasecontext(himc);

then clear pending composition, if 1 open or not.


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