MCIERR_WAVE_OUTPUTSINUSE
The documentation lists this name without a value.
Documented in Win32
All waveform devices that can play files in the current format are in use. Wait until one of these devices is free; then, try again.
The documentation lists this name without a value.
All waveform devices that can play files in the current format are in use. Wait until one of these devices is free; then, try again.