WOM_DONE

Sent by a waveform output driver to a client application to return an output buffer to an application. The message shouldn't be sent until all data contained in the buffer has been played unless the buffers are being returned as a result of a WODM_RESET message.

DWORD dwParam1

Specifies a far pointer to a WAVEHDR structure identifying the buffer.

DWORD dwParam2

Not used.