IAudioEndpointVolumeVtbl Struct Reference

#include <endpointvolume.h>

Public Member Functions
BEGIN_INTERFACE	HRESULT (STDMETHODCALLTYPE *QueryInterface)(IAudioEndpointVolume *This
	ULONG (STDMETHODCALLTYPE *AddRef)(IAudioEndpointVolume *This)
	ULONG (STDMETHODCALLTYPE *Release)(IAudioEndpointVolume *This)
	HRESULT (STDMETHODCALLTYPE *RegisterControlChangeNotify)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *UnregisterControlChangeNotify)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetChannelCount)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *SetMasterVolumeLevel)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *SetMasterVolumeLevelScalar)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetMasterVolumeLevel)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetMasterVolumeLevelScalar)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *SetChannelVolumeLevel)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *SetChannelVolumeLevelScalar)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetChannelVolumeLevel)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetChannelVolumeLevelScalar)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *SetMute)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetMute)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetVolumeStepInfo)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *VolumeStepUp)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *VolumeStepDown)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *QueryHardwareSupport)(IAudioEndpointVolume *This
	HRESULT (STDMETHODCALLTYPE *GetVolumeRange)(IAudioEndpointVolume *This

Data Fields
BEGIN_INTERFACE REFIID	riid
BEGIN_INTERFACE REFIID __RPC__deref_out void **	ppvObject
__in IAudioEndpointVolumeCallback *	pNotify
__out UINT *	pnChannelCount
__in float	fLevelDB
__in float LPCGUID	pguidEventContext
__in float	fLevel
__out float *	pfLevelDB
__out float *	pfLevel
__in UINT	nChannel
__in UINT float	fLevelDB
__in UINT float LPCGUID	pguidEventContext
__in UINT float	fLevel
__in UINT __out float *	pfLevelDB
__in UINT __out float *	pfLevel
__in BOOL	bMute
__in BOOL LPCGUID	pguidEventContext
__out BOOL *	pbMute
__out UINT *	pnStep
__out UINT __out UINT *	pnStepCount
LPCGUID	pguidEventContext
__out DWORD *	pdwHardwareSupportMask
__out float *	pflVolumeMindB
__out float __out float *	pflVolumeMaxdB
__out float __out float __out float *	pflVolumeIncrementdB

---

Member Function Documentation

BEGIN_INTERFACE IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

QueryInterface

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

RegisterControlChangeNotify

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

UnregisterControlChangeNotify

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetChannelCount

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

SetMasterVolumeLevel

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

SetMasterVolumeLevelScalar

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetMasterVolumeLevel

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetMasterVolumeLevelScalar

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

SetChannelVolumeLevel

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

SetChannelVolumeLevelScalar

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetChannelVolumeLevel

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetChannelVolumeLevelScalar

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

SetMute

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetMute

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetVolumeStepInfo

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

VolumeStepUp

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

VolumeStepDown

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

QueryHardwareSupport

)

IAudioEndpointVolumeVtbl::HRESULT

(

STDMETHODCALLTYPE *

GetVolumeRange

)

IAudioEndpointVolumeVtbl::ULONG

(

STDMETHODCALLTYPE *

AddRef

)

IAudioEndpointVolumeVtbl::ULONG

(

STDMETHODCALLTYPE *

Release

)

---

Field Documentation

__in BOOL IAudioEndpointVolumeVtbl::bMute

__in float IAudioEndpointVolumeVtbl::fLevel

__in UINT float IAudioEndpointVolumeVtbl::fLevel

__in float IAudioEndpointVolumeVtbl::fLevelDB

__in UINT float IAudioEndpointVolumeVtbl::fLevelDB

__in UINT IAudioEndpointVolumeVtbl::nChannel

__out BOOL* IAudioEndpointVolumeVtbl::pbMute

__out DWORD* IAudioEndpointVolumeVtbl::pdwHardwareSupportMask

__out float* IAudioEndpointVolumeVtbl::pfLevel

__in UINT __out float* IAudioEndpointVolumeVtbl::pfLevel

__out float* IAudioEndpointVolumeVtbl::pfLevelDB

__in UINT __out float* IAudioEndpointVolumeVtbl::pfLevelDB

__out float __out float __out float* IAudioEndpointVolumeVtbl::pflVolumeIncrementdB

__out float __out float* IAudioEndpointVolumeVtbl::pflVolumeMaxdB

__out float* IAudioEndpointVolumeVtbl::pflVolumeMindB

LPCGUID IAudioEndpointVolumeVtbl::pguidEventContext

__in UINT float LPCGUID IAudioEndpointVolumeVtbl::pguidEventContext

__in BOOL LPCGUID IAudioEndpointVolumeVtbl::pguidEventContext

LPCGUID IAudioEndpointVolumeVtbl::pguidEventContext

__out UINT* IAudioEndpointVolumeVtbl::pnChannelCount

__in IAudioEndpointVolumeCallback * IAudioEndpointVolumeVtbl::pNotify

__out UINT* IAudioEndpointVolumeVtbl::pnStep

__out UINT __out UINT* IAudioEndpointVolumeVtbl::pnStepCount

BEGIN_INTERFACE REFIID __RPC__deref_out void** IAudioEndpointVolumeVtbl::ppvObject

BEGIN_INTERFACE REFIID IAudioEndpointVolumeVtbl::riid

---

The documentation for this struct was generated from the following file:

• endpointvolume.h