IChannelAudioVolume Interface Reference

Inheritance diagram for IChannelAudioVolume:

Collaboration diagram for IChannelAudioVolume:

Public Member Functions
HRESULT	GetChannelCount ([out] UINT32 *pdwCount)
HRESULT	SetChannelVolume ([in] UINT32 dwIndex, [in] const float fLevel, [unique, in] LPCGUID EventContext)
HRESULT	GetChannelVolume ([in] UINT32 dwIndex, [out] float *pfLevel)
HRESULT	SetAllVolumes ([in] UINT32 dwCount, [size_is(dwCount), in] const float *pfVolumes, [unique, in] LPCGUID EventContext)
HRESULT	GetAllVolumes ([in] UINT32 dwCount, [size_is(dwCount), out] float *pfVolumes)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Additional Inherited Members
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN

Detailed Description

Definition at line 263 of file audioclient.idl.

Member Function Documentation

GetAllVolumes()

HRESULT IChannelAudioVolume::GetAllVolumes	(	[in] UINT32	dwCount,
		[size_is(dwCount), out] float *	pfVolumes
	)

GetChannelCount()

HRESULT IChannelAudioVolume::GetChannelCount

(

[out] UINT32 *

pdwCount

)

GetChannelVolume()

HRESULT IChannelAudioVolume::GetChannelVolume	(	[in] UINT32	dwIndex,
		[out] float *	pfLevel
	)

SetAllVolumes()

HRESULT IChannelAudioVolume::SetAllVolumes	(	[in] UINT32	dwCount,
		[size_is(dwCount), in] const float *	pfVolumes,
		[unique, in] LPCGUID	EventContext
	)

SetChannelVolume()

HRESULT IChannelAudioVolume::SetChannelVolume	(	[in] UINT32	dwIndex,
		[in] const float	fLevel,
		[unique, in] LPCGUID	EventContext
	)

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

• sdk/include/psdk/audioclient.idl