ImIsIMEMessage
This function checks whether the specified message is for IM winodw and send the message to the specified IM window.
Format:
APIRET APIENTRY ImIsIMEMessage(HWND hwndIm, ULONG ulMsgid, MPARAM mpParam1, MPARAM mpParam2, pBOOL pfResult)
Parameters:
hwndIm(input)
Zero is successful. Others are errors.