CKsNode Class Reference

Inheritance diagram for CKsNode:

Collaboration diagram for CKsNode:

Public Member Functions
STDMETHODIMP	QueryInterface (REFIID InterfaceId, PVOID *Interface)
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()
HRESULT STDMETHODCALLTYPE	KsProperty (PKSPROPERTY Property, ULONG PropertyLength, LPVOID PropertyData, ULONG DataLength, ULONG *BytesReturned)
HRESULT STDMETHODCALLTYPE	KsMethod (PKSMETHOD Method, ULONG MethodLength, LPVOID MethodData, ULONG DataLength, ULONG *BytesReturned)
HRESULT STDMETHODCALLTYPE	KsEvent (PKSEVENT Event, ULONG EventLength, LPVOID EventData, ULONG DataLength, ULONG *BytesReturned)
	CKsNode (IUnknown *pUnkOuter, HANDLE Handle)
virtual	~CKsNode ()
Public Member Functions inherited from IKsControl
HRESULT	KsProperty ([in] PKSPROPERTY Property, [in] ULONG PropertyLength, [in, out] void *PropertyData, [in] ULONG DataLength, [out] ULONG *BytesReturned)
HRESULT	KsMethod ([in] PKSMETHOD Method, [in] ULONG MethodLength, [in, out] void *MethodData, [in] ULONG DataLength, [out] ULONG *BytesReturned)
HRESULT	KsEvent ([in] PKSEVENT Event, [in] ULONG EventLength, [in, out] void *EventData, [in] ULONG DataLength, [out] ULONG *BytesReturned)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Protected Attributes
LONG	m_Ref
IUnknown *	m_pUnkOuter
HANDLE	m_Handle

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

Detailed Description

Definition at line 11 of file node.cpp.

Constructor & Destructor Documentation

CKsNode()

CKsNode::CKsNode ( IUnknown *  pUnkOuter, HANDLE  Handle  )

inline

Definition at line 38 of file node.cpp.

: m_Ref(0), m_pUnkOuter(pUnkOuter), m_Handle(Handle){};

~CKsNode()

virtual CKsNode::~CKsNode ( )

inlinevirtual

Definition at line 39 of file node.cpp.

    {
        CloseHandle(m_Handle);
    };

Member Function Documentation

KsEvent()

HRESULT STDMETHODCALLTYPE CKsNode::KsEvent	(	PKSEVENT	Event,
		ULONG	EventLength,
		LPVOID	EventData,
		ULONG	DataLength,
		ULONG *	BytesReturned
	)

Definition at line 98 of file node.cpp.

{
    assert(m_Handle != 0);
 
    if (EventLength)
        return KsSynchronousDeviceControl(m_Handle, IOCTL_KS_ENABLE_EVENT, (PVOID)Event, EventLength, (PVOID)EventData, DataLength, BytesReturned);
    else
        return KsSynchronousDeviceControl(m_Handle, IOCTL_KS_DISABLE_EVENT, (PVOID)Event, EventLength, NULL, 0, BytesReturned);
}

KsMethod()

HRESULT STDMETHODCALLTYPE CKsNode::KsMethod	(	PKSMETHOD	Method,
		ULONG	MethodLength,
		LPVOID	MethodData,
		ULONG	DataLength,
		ULONG *	BytesReturned
	)

Definition at line 85 of file node.cpp.

{
    assert(m_Handle != 0);
    return KsSynchronousDeviceControl(m_Handle, IOCTL_KS_METHOD, (PVOID)Method, MethodLength, (PVOID)MethodData, DataLength, BytesReturned);
}

KsProperty()

HRESULT STDMETHODCALLTYPE CKsNode::KsProperty	(	PKSPROPERTY	Property,
		ULONG	PropertyLength,
		LPVOID	PropertyData,
		ULONG	DataLength,
		ULONG *	BytesReturned
	)

Definition at line 72 of file node.cpp.

{
    assert(m_Handle != 0);
    return KsSynchronousDeviceControl(m_Handle, IOCTL_KS_PROPERTY, (PVOID)Property, PropertyLength, (PVOID)PropertyData, DataLength, BytesReturned);
}

QueryInterface()

HRESULT STDMETHODCALLTYPE CKsNode::QueryInterface	(	REFIID	InterfaceId,
		PVOID *	Interface
	)

Definition at line 52 of file node.cpp.

{
    if (IsEqualGUID(refiid, IID_IUnknown) ||
        IsEqualGUID(refiid, IID_IKsControl))
    {
        *Output = PVOID(this);
        reinterpret_cast<IUnknown*>(*Output)->AddRef();
        return NOERROR;
    }
 
    return E_NOINTERFACE;
}

STDMETHODIMP_() [1/2]

CKsNode::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 16 of file node.cpp.

    {
        InterlockedIncrement(&m_Ref);
        return m_Ref;
    }

STDMETHODIMP_() [2/2]

CKsNode::STDMETHODIMP_ ( ULONG  )

inline

Definition at line 21 of file node.cpp.

    {
        InterlockedDecrement(&m_Ref);
 
        if (!m_Ref)
        {
            delete this;
            return 0;
        }
        return m_Ref;
    }

Member Data Documentation

m_Handle

HANDLE CKsNode::m_Handle

protected

Definition at line 47 of file node.cpp.

Referenced by KsEvent(), KsMethod(), KsProperty(), and ~CKsNode().

m_pUnkOuter

IUnknown* CKsNode::m_pUnkOuter

protected

Definition at line 46 of file node.cpp.

m_Ref

LONG CKsNode::m_Ref

protected

Definition at line 45 of file node.cpp.

Referenced by STDMETHODIMP_().

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

• dll/directx/ksproxy/node.cpp