waveOutGetVolume function Null safety winmm

int waveOutGetVolume(
  1. int hwo,
  2. Pointer<Uint32> pdwVolume
)

The waveOutGetVolume function retrieves the current volume level of the specified waveform-audio output device.

MMRESULT waveOutGetVolume(
  HWAVEOUT hwo,
  LPDWORD  pdwVolume
);

Implementation

int waveOutGetVolume(int hwo, Pointer<Uint32> pdwVolume) =>
    _waveOutGetVolume(hwo, pdwVolume);