IAudioEndpointVolumeVtbl

winapi_ui_automation::um::endpointvolume

Struct IAudioEndpointVolumeVtbl 

Source 
#[repr(C)]
pub struct IAudioEndpointVolumeVtbl {
Show 19 fields
    pub parent: IUnknownVtbl,
    pub RegisterControlChangeNotify: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pNotify: *mut IAudioEndpointVolumeCallback) -> HRESULT,
    pub UnregisterControlChangeNotify: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pNotify: *mut IAudioEndpointVolumeCallback) -> HRESULT,
    pub GetChannelCount: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pnChannelCount: *mut UINT) -> HRESULT,
    pub SetMasterVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, fLevelDB: c_float, pguidEventContext: LPCGUID) -> HRESULT,
    pub SetMasterVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, fLevel: c_float, pguidEventContext: LPCGUID) -> HRESULT,
    pub GetMasterVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pfLevelDB: *mut c_float) -> HRESULT,
    pub GetMasterVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pfLevel: *mut c_float) -> HRESULT,
    pub SetChannelVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, fLevelDB: c_float, pguidEventContext: LPCGUID) -> HRESULT,
    pub SetChannelVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, fLevel: c_float, pguidEventContext: LPCGUID) -> HRESULT,
    pub GetChannelVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, pfLevelDB: *mut c_float) -> HRESULT,
    pub GetChannelVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, pfLevel: *mut c_float) -> HRESULT,
    pub SetMute: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, bMute: BOOL, pguidEventContext: LPCGUID) -> HRESULT,
    pub GetMute: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pbMute: *mut BOOL) -> HRESULT,
    pub GetVolumeStepInfo: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pnStep: *mut UINT, pnStepCount: *mut UINT) -> HRESULT,
    pub VolumeStepUp: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pguidEventContext: LPCGUID) -> HRESULT,
    pub VolumeStepDown: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pguidEventContext: LPCGUID) -> HRESULT,
    pub QueryHardwareSupport: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pdwHardwareSupportMask: *mut DWORD) -> HRESULT,
    pub GetVolumeRange: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pflVolumeMindB: *mut c_float, pflVolumeMaxdB: *mut c_float, pflVolumeIncrementdB: *mut c_float) -> HRESULT,

}

Fields§

§parent: IUnknownVtbl§RegisterControlChangeNotify: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pNotify: *mut IAudioEndpointVolumeCallback) -> HRESULT§UnregisterControlChangeNotify: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pNotify: *mut IAudioEndpointVolumeCallback) -> HRESULT§GetChannelCount: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pnChannelCount: *mut UINT) -> HRESULT§SetMasterVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, fLevelDB: c_float, pguidEventContext: LPCGUID) -> HRESULT§SetMasterVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, fLevel: c_float, pguidEventContext: LPCGUID) -> HRESULT§GetMasterVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pfLevelDB: *mut c_float) -> HRESULT§GetMasterVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pfLevel: *mut c_float) -> HRESULT§SetChannelVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, fLevelDB: c_float, pguidEventContext: LPCGUID) -> HRESULT§SetChannelVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, fLevel: c_float, pguidEventContext: LPCGUID) -> HRESULT§GetChannelVolumeLevel: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, pfLevelDB: *mut c_float) -> HRESULT§GetChannelVolumeLevelScalar: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, nChannel: UINT, pfLevel: *mut c_float) -> HRESULT§SetMute: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, bMute: BOOL, pguidEventContext: LPCGUID) -> HRESULT§GetMute: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pbMute: *mut BOOL) -> HRESULT§GetVolumeStepInfo: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pnStep: *mut UINT, pnStepCount: *mut UINT) -> HRESULT§VolumeStepUp: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pguidEventContext: LPCGUID) -> HRESULT§VolumeStepDown: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pguidEventContext: LPCGUID) -> HRESULT§QueryHardwareSupport: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pdwHardwareSupportMask: *mut DWORD) -> HRESULT§GetVolumeRange: unsafe extern "system" fn(This: *mut IAudioEndpointVolume, pflVolumeMindB: *mut c_float, pflVolumeMaxdB: *mut c_float, pflVolumeIncrementdB: *mut c_float) -> HRESULT

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