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Using the MCI_NOTIFY Flag

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The following example shows how the MCI_NOTIFY flag is used with the MCI_PLAY command. The handle to the window procedure that will process the MM_MCINOTIFY message is specified in hwnd.

MCI_DGV_PLAY_PARMS mciPlay; 
DWORD dwFlags; 
 
mciPlay.dwCallback = MAKELONG(hwnd, 0); 
dwFlags = MCI_NOTIFY; 
 
mciSendCommand(wMCIDeviceID, MCI_PLAY, dwFlags, (DWORD)(LPSTR)&mciPlay);