CPortFilterTopology Class Reference

Inheritance diagram for CPortFilterTopology:

Collaboration diagram for CPortFilterTopology:

Public Member Functions
STDMETHODIMP	QueryInterface (REFIID InterfaceId, PVOID *Interface)
	CPortFilterTopology (IUnknown *OuterUnknown)
virtual	~CPortFilterTopology ()
Public Member Functions inherited from CUnknownImpl< IPortFilterTopology >
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()

Public Attributes
	IMP_IPortFilterTopology

Protected Attributes
IPortTopology *	m_Port
SUBDEVICE_DESCRIPTOR *	m_Descriptor
ISubdevice *	m_SubDevice

Additional Inherited Members
Protected Member Functions inherited from CUnknownImpl< IPortFilterTopology >
	CUnknownImpl ()
virtual	~CUnknownImpl ()

Detailed Description

Definition at line 14 of file filter_topology.cpp.

Constructor & Destructor Documentation

CPortFilterTopology()

CPortFilterTopology::CPortFilterTopology ( IUnknown *  OuterUnknown )

inline

Definition at line 20 of file filter_topology.cpp.

{}

~CPortFilterTopology()

virtual CPortFilterTopology::~CPortFilterTopology ( )

inlinevirtual

Definition at line 21 of file filter_topology.cpp.

{}

Member Function Documentation

QueryInterface()

NTSTATUS NTAPI CPortFilterTopology::QueryInterface	(	REFIID	InterfaceId,
		PVOID *	Interface
	)

Definition at line 31 of file filter_topology.cpp.

{
 
    if (IsEqualGUIDAligned(refiid, IID_IIrpTarget) ||
        IsEqualGUIDAligned(refiid, IID_IUnknown))
    {
        *Output = PVOID(PUNKNOWN(this));
        PUNKNOWN(*Output)->AddRef();
        return STATUS_SUCCESS;
    }
    else if (IsEqualGUIDAligned(refiid, IID_IPort))
    {
        *Output = PVOID(PUNKNOWN(m_Port));
        PUNKNOWN(*Output)->AddRef();
        return STATUS_SUCCESS;
    }
 
    return STATUS_UNSUCCESSFUL;
}

Member Data Documentation

IMP_IPortFilterTopology

CPortFilterTopology::IMP_IPortFilterTopology

Definition at line 19 of file filter_topology.cpp.

m_Descriptor

SUBDEVICE_DESCRIPTOR* CPortFilterTopology::m_Descriptor

protected

Definition at line 25 of file filter_topology.cpp.

m_Port

IPortTopology* CPortFilterTopology::m_Port

protected

Definition at line 24 of file filter_topology.cpp.

Referenced by QueryInterface().

m_SubDevice

ISubdevice* CPortFilterTopology::m_SubDevice

protected

Definition at line 26 of file filter_topology.cpp.

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

• drivers/wdm/audio/backpln/portcls/filter_topology.cpp