سلام
من از این تابع چه طوری استفاده کنم؟اون ورودی هاش رو چی بدم
HRESULT GetDeviceID( LPCGUID pGuidSrc, LPGUID pGuidDest )
pGuidSrc Address of a variable that specifies a valid device identifier, or the address of one of the following predefined variables. Value Description DSDEVID_DefaultPlayback System-wide default audio playback device. DSDEVID_DefaultCapture System-wide default audio capture device. DSDEVID_DefaultVoicePlayback Default voice playback device. DSDEVID_DefaultVoiceCapture Default voice capture device. pGuidDest Address of a variable that receives the unique identifier of the device.