IMR_COMPOSITIONFORM

When a selected IME needs information about the composition window, the IMR_COMPOSITIONFORM message is sent to the application through the WM_IME_REQUEST message.

lParam =-(LPARAM) lpCOMPOSITIONFORM;
 

Parameters

lpCOMPOSITIONFORM

Pointer to a buffer containing a COMPOSITIONFORM structure.

Return Values

Returns a nonzero value if the application filled in the COMPOSITIONFORM structure in lParam. Otherwise, returns zero.

Remarks

This notification may be sent by the IME to a window that cleared the ISC_SHOWUICOMPOSITIONWINDOW flag in the WM_SETCONTEXT message handler.

See Also

Input Method Editor Overview, Input Method Editor Messages, WM_IME_REQUEST