ReactOS 0.4.15-dev-8135-g1bc6c90
IPerChannelDbLevel Interface Reference
Inheritance diagram for IPerChannelDbLevel:
Collaboration diagram for IPerChannelDbLevel:

Public Member Functions

HRESULT GetChannelCount ([out] UINT *pcChannels)
HRESULT GetLevelRange ([in] UINT nChannel, [out] float *pfMinLevelDB, [out] float *pfMaxLevelDB, [out] float *pfStepping)
HRESULT GetLevel ([in] UINT nChannel, [out] float *pfLevelDB)
HRESULT SetLevel ([in] UINT nChannel, [in] float fLevelDB, [in, unique] LPCGUID pguidEventContext)
HRESULT SetLevelUniform ([in] float fLevelDB, [in, unique] LPCGUID pguidEventContext)
HRESULT SetLevelAllChannels ([size_is(cChannels), in] float *aLevelsDB, [in] ULONG cChannels, [in] LPCGUID pguidEventContext)
- 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 IUnknownLPUNKNOWN

Detailed Description

Definition at line 234 of file devicetopology.idl.

Member Function Documentation

◆ GetChannelCount()

HRESULT IPerChannelDbLevel::GetChannelCount ( [out] UINT pcChannels)

◆ GetLevel()

HRESULT IPerChannelDbLevel::GetLevel ( [in] UINT  nChannel,
[out] float pfLevelDB 

◆ GetLevelRange()

HRESULT IPerChannelDbLevel::GetLevelRange ( [in] UINT  nChannel,
[out] float pfMinLevelDB,
[out] float pfMaxLevelDB,
[out] float pfStepping 

◆ SetLevel()

HRESULT IPerChannelDbLevel::SetLevel ( [in] UINT  nChannel,
[in] float  fLevelDB,
[in, unique] LPCGUID  pguidEventContext 

◆ SetLevelAllChannels()

HRESULT IPerChannelDbLevel::SetLevelAllChannels ( [size_is(cChannels), in] float aLevelsDB,
[in] ULONG  cChannels,
[in] LPCGUID  pguidEventContext 

◆ SetLevelUniform()

HRESULT IPerChannelDbLevel::SetLevelUniform ( [in] float  fLevelDB,
[in, unique] LPCGUID  pguidEventContext 

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