Trait windows::Win32::Media::Audio::Endpoints::IAudioEndpointVolume_Impl

pub trait IAudioEndpointVolume_Impl: Sized {
    // Required methods
    fn RegisterControlChangeNotify(
        &self,
        pnotify: Option<&IAudioEndpointVolumeCallback>
    ) -> Result<()>;
    fn UnregisterControlChangeNotify(
        &self,
        pnotify: Option<&IAudioEndpointVolumeCallback>
    ) -> Result<()>;
    fn GetChannelCount(&self) -> Result<u32>;
    fn SetMasterVolumeLevel(
        &self,
        fleveldb: f32,
        pguideventcontext: *const GUID
    ) -> Result<()>;
    fn SetMasterVolumeLevelScalar(
        &self,
        flevel: f32,
        pguideventcontext: *const GUID
    ) -> Result<()>;
    fn GetMasterVolumeLevel(&self) -> Result<f32>;
    fn GetMasterVolumeLevelScalar(&self) -> Result<f32>;
    fn SetChannelVolumeLevel(
        &self,
        nchannel: u32,
        fleveldb: f32,
        pguideventcontext: *const GUID
    ) -> Result<()>;
    fn SetChannelVolumeLevelScalar(
        &self,
        nchannel: u32,
        flevel: f32,
        pguideventcontext: *const GUID
    ) -> Result<()>;
    fn GetChannelVolumeLevel(&self, nchannel: u32) -> Result<f32>;
    fn GetChannelVolumeLevelScalar(&self, nchannel: u32) -> Result<f32>;
    fn SetMute(&self, bmute: BOOL, pguideventcontext: *const GUID) -> Result<()>;
    fn GetMute(&self) -> Result<BOOL>;
    fn GetVolumeStepInfo(
        &self,
        pnstep: *mut u32,
        pnstepcount: *mut u32
    ) -> Result<()>;
    fn VolumeStepUp(&self, pguideventcontext: *const GUID) -> Result<()>;
    fn VolumeStepDown(&self, pguideventcontext: *const GUID) -> Result<()>;
    fn QueryHardwareSupport(&self) -> Result<u32>;
    fn GetVolumeRange(
        &self,
        pflvolumemindb: *mut f32,
        pflvolumemaxdb: *mut f32,
        pflvolumeincrementdb: *mut f32
    ) -> Result<()>;
}

Required Methods

fn RegisterControlChangeNotify( &self, pnotify: Option<&IAudioEndpointVolumeCallback> ) -> Result<()>

fn UnregisterControlChangeNotify( &self, pnotify: Option<&IAudioEndpointVolumeCallback> ) -> Result<()>

fn GetChannelCount(&self) -> Result<u32>

fn SetMasterVolumeLevel( &self, fleveldb: f32, pguideventcontext: *const GUID ) -> Result<()>

fn SetMasterVolumeLevelScalar( &self, flevel: f32, pguideventcontext: *const GUID ) -> Result<()>

fn GetMasterVolumeLevel(&self) -> Result<f32>

fn GetMasterVolumeLevelScalar(&self) -> Result<f32>

fn SetChannelVolumeLevel( &self, nchannel: u32, fleveldb: f32, pguideventcontext: *const GUID ) -> Result<()>

fn SetChannelVolumeLevelScalar( &self, nchannel: u32, flevel: f32, pguideventcontext: *const GUID ) -> Result<()>

fn GetChannelVolumeLevel(&self, nchannel: u32) -> Result<f32>

fn GetChannelVolumeLevelScalar(&self, nchannel: u32) -> Result<f32>

fn SetMute(&self, bmute: BOOL, pguideventcontext: *const GUID) -> Result<()>

fn GetMute(&self) -> Result<BOOL>

fn GetVolumeStepInfo( &self, pnstep: *mut u32, pnstepcount: *mut u32 ) -> Result<()>

fn VolumeStepUp(&self, pguideventcontext: *const GUID) -> Result<()>

fn VolumeStepDown(&self, pguideventcontext: *const GUID) -> Result<()>

fn QueryHardwareSupport(&self) -> Result<u32>

fn GetVolumeRange( &self, pflvolumemindb: *mut f32, pflvolumemaxdb: *mut f32, pflvolumeincrementdb: *mut f32 ) -> Result<()>

Object Safety

This trait is not object safe.

Implementors