Struct IAudioEndpointVolume 

#[repr(C)]
pub struct IAudioEndpointVolume {
    pub lpVtbl: *const IAudioEndpointVolumeVtbl,
}

Fields

lpVtbl: *const IAudioEndpointVolumeVtbl

Implementations

impl IAudioEndpointVolume

pub unsafe fn RegisterControlChangeNotify( &self, pNotify: *mut IAudioEndpointVolumeCallback, ) -> HRESULT

pub unsafe fn UnregisterControlChangeNotify( &self, pNotify: *mut IAudioEndpointVolumeCallback, ) -> HRESULT

pub unsafe fn GetChannelCount(&self, pnChannelCount: *mut UINT) -> HRESULT

pub unsafe fn SetMasterVolumeLevel( &self, fLevelDB: c_float, pguidEventContext: LPCGUID, ) -> HRESULT

pub unsafe fn SetMasterVolumeLevelScalar( &self, fLevel: c_float, pguidEventContext: LPCGUID, ) -> HRESULT

pub unsafe fn GetMasterVolumeLevel(&self, pfLevelDB: *mut c_float) -> HRESULT

pub unsafe fn GetMasterVolumeLevelScalar( &self, pfLevel: *mut c_float, ) -> HRESULT

pub unsafe fn SetChannelVolumeLevel( &self, nChannel: UINT, fLevelDB: c_float, pguidEventContext: LPCGUID, ) -> HRESULT

pub unsafe fn SetChannelVolumeLevelScalar( &self, nChannel: UINT, fLevel: c_float, pguidEventContext: LPCGUID, ) -> HRESULT

pub unsafe fn GetChannelVolumeLevel( &self, nChannel: UINT, pfLevelDB: *mut c_float, ) -> HRESULT

pub unsafe fn GetChannelVolumeLevelScalar( &self, nChannel: UINT, pfLevel: *mut c_float, ) -> HRESULT

pub unsafe fn SetMute(&self, bMute: BOOL, pguidEventContext: LPCGUID) -> HRESULT

pub unsafe fn GetMute(&self, pbMute: *mut BOOL) -> HRESULT

pub unsafe fn GetVolumeStepInfo( &self, pnStep: *mut UINT, pnStepCount: *mut UINT, ) -> HRESULT

pub unsafe fn VolumeStepUp(&self, pguidEventContext: LPCGUID) -> HRESULT

pub unsafe fn VolumeStepDown(&self, pguidEventContext: LPCGUID) -> HRESULT

pub unsafe fn QueryHardwareSupport( &self, pdwHardwareSupportMask: *mut DWORD, ) -> HRESULT

pub unsafe fn GetVolumeRange( &self, pflVolumeMindB: *mut c_float, pflVolumeMaxdB: *mut c_float, pflVolumeIncrementdB: *mut c_float, ) -> HRESULT

Methods from Deref<Target = IUnknown>

pub unsafe fn QueryInterface( &self, riid: REFIID, ppvObject: *mut *mut c_void, ) -> HRESULT

pub unsafe fn AddRef(&self) -> ULONG

pub unsafe fn Release(&self) -> ULONG

Trait Implementations

impl Deref for IAudioEndpointVolume

type Target = IUnknown

The resulting type after dereferencing.

fn deref(&self) -> &IUnknown

Dereferences the value.

impl Interface for IAudioEndpointVolume

fn uuidof() -> GUID