Using waveOutGetVolume can obtain the size of the volume, but do not know how to use, HWAVAOUT handle how to get? LPDWORD what is the value?
And how to determine the computer is mute? First contact with this, can't laid hands on him, still hope everyone a great god gives directions,
WaveOutGetVolume (//access to specify and the volume of the output device value]
HWAVEOUT hwo,
LPDWORD lpdwVolume
);

CodePudding user response:

https://blog.csdn.net/yu_gi_oh/article/details/51794315

CodePudding user response:

https://blog.csdn.net/yu_gi_oh/article/details/51794315
Thank you, but some trouble ah, later have time to try again,
Have to get if quiet simple example of system, to learn,

CodePudding user response:

The first parameter is specified as NULL, that is, the volume of the whole system