This message is sent to a waveform output device driver to continue playback of a waveform after playback has been paused with the WODM_PAUSE message.
DWORD dwParam1
Unused.
DWORD dwParam2
Unused.
The return value is an error code, or zero (MMSYSERR_NOERROR) if the operation is successful. Possible error codes are:
MMSYSERR_NOTENABLED
The driver failed to load or initialize.
If the output is not paused, this message should have no effect, and the driver should return MMSYSERR_NOERROR.