The WOM_DONE message is sent to a waveform-audio output callback function when the given output buffer is being returned to the application. Buffers are returned to the application when they have been played, or as the result of a call to the waveOutReset function.
WOM_DONE
dwParam1 = (DWORD) lpwvhdr
dwParam2 = reserved
This message does not return a value.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in mmsystem.h.
Waveform Audio Overview, Waveform Messages, WAVEHDR, waveOutReset