[−][src]Struct winapi::um::devicetopology::IAudioVolumeLevel

#[repr(C)]

pub struct IAudioVolumeLevel {
    pub lpVtbl: *const IAudioVolumeLevelVtbl,
}

Fields

lpVtbl: *const IAudioVolumeLevelVtbl

Methods from Deref<Target = IPerChannelDbLevel>

pub unsafe fn GetChannelCount(&self, pcChannels: *mut UINT) -> HRESULT[src]

pub unsafe fn GetLevelRange(
    &self,
    nChannel: UINT,
    pfMinLevelDB: *mut c_float,
    pfMaxLevelDB: *mut c_float,
    pfStepping: *mut c_float
) -> HRESULT[src]

pub unsafe fn GetLevel(
    &self,
    nChannel: UINT,
    pfLevelDB: *mut c_float
) -> HRESULT[src]

pub unsafe fn SetLevel(
    &self,
    nChannel: UINT,
    fLevelDB: c_float,
    pguidEventContext: LPCGUID
) -> HRESULT[src]

pub unsafe fn SetLevelUniform(
    &self,
    fLevelDB: c_float,
    pguidEventContext: LPCGUID
) -> HRESULT[src]

pub unsafe fn SetLevelAllChannels(
    &self,
    aLevelsDB: *mut c_float,
    cChannels: ULONG,
    pguidEventContext: LPCGUID
) -> HRESULT[src]

Trait Implementations

impl Interface for IAudioVolumeLevel[src]

impl Deref for IAudioVolumeLevel[src]

type Target = IPerChannelDbLevel

The resulting type after dereferencing.

Auto Trait Implementations

Blanket Implementations

impl<T> From for T[src]

impl<T, U> TryFrom for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T, U> Into for T where
    U: From<T>, [src]

impl<T> Borrow for T where
    T: ?Sized, [src]

impl<T> BorrowMut for T where
    T: ?Sized, [src]

impl<T> Any for T where
    T: 'static + ?Sized, [src]