connectionpoint.idl

vxworks操作系统的源代码 供研究学习

/* ConnectionPoint.idl - definition of connection-point interfaces */

/* Copyright (c) 2000, Wind River Systems, Inc. */

/*
modification history
--------------------
01b,13jul01,dbs  fix imports for vxcom
01a,10feb00,dbs  created from vxidl.idl
*/

import "comCoreTypes.idl";

interface IConnectionPointContainer;
interface IConnectionPoint;
interface IEnumConnections;
interface IEnumConnectionPoints;

[
    object,
    uuid(B196B286-BAB4-101A-B69C-00AA00341D07),
    pointer_default(unique)
]
interface IConnectionPoint : IUnknown
    {
    typedef IConnectionPoint * PCONNECTIONPOINT;
    typedef IConnectionPoint * LPCONNECTIONPOINT;

    HRESULT GetConnectionInterface
	(
        [out]           IID * piid
	);

    HRESULT GetConnectionPointContainer
	(
        [out]           IConnectionPointContainer ** ppCPC
	);

    HRESULT Advise
	(
        [in]    IUnknown * pUnkSink,
        [out]   DWORD *    pdwCookie
	);

    HRESULT Unadvise
	(
        [in]    DWORD dwCookie
	);

    HRESULT EnumConnections
	(
        [out]   IEnumConnections ** ppEnum
	);
    }

[
    object,
    uuid(B196B284-BAB4-101A-B69C-00AA00341D07),
    pointer_default(unique)
]
interface IConnectionPointContainer : IUnknown
    {
    typedef IConnectionPointContainer * PCONNECTIONPOINTCONTAINER;
    typedef IConnectionPointContainer * LPCONNECTIONPOINTCONTAINER;

    HRESULT EnumConnectionPoints
	(
        [out]   IEnumConnectionPoints ** ppEnum
	);

    HRESULT FindConnectionPoint
	(
        [in]    REFIID riid,
        [out]   IConnectionPoint ** ppCP
	);
    }


[
    object,
    uuid(B196B287-BAB4-101A-B69C-00AA00341D07),
    pointer_default(unique)
]
interface IEnumConnections : IUnknown
    {
    typedef IEnumConnections * PENUMCONNECTIONS;
    typedef IEnumConnections * LPENUMCONNECTIONS;

    typedef struct tagCONNECTDATA
	{
        IUnknown *  pUnk;
        DWORD       dwCookie;
	} CONNECTDATA;

    typedef struct tagCONNECTDATA * PCONNECTDATA;
    typedef struct tagCONNECTDATA * LPCONNECTDATA;

    HRESULT Next
	(
	[in]                       ULONG           cConnections,
	[out,
	size_is(cConnections),
	length_is(*lpcFetched)]    CONNECTDATA *   rgcd,
	[out]                      ULONG *         lpcFetched
	);


    HRESULT Skip
	(
	[in]    ULONG cConnections
	);

    HRESULT Reset
	(
	void
	);

    HRESULT Clone
	(
	[out]   IEnumConnections ** ppEnum
	);
    }


[
    object,
    uuid(B196B285-BAB4-101A-B69C-00AA00341D07),
    pointer_default(unique)
]
interface IEnumConnectionPoints : IUnknown
    {
    typedef IEnumConnectionPoints * PENUMCONNECTIONPOINTS;
    typedef IEnumConnectionPoints * LPENUMCONNECTIONPOINTS;

    HRESULT Next
	(
        [in]                        ULONG               cConnections,
        [out,
         size_is(cConnections),
         length_is(*lpcFetched)]    IConnectionPoint ** rgpcn,
        [out]                       ULONG *             lpcFetched
	);

    HRESULT Skip
	(
        [in]    ULONG   cConnections
	);

    HRESULT Reset
	(
        void
	);

    HRESULT Clone
	(
        [out]   IEnumConnectionPoints **    ppEnum
	);
    }