idispat.cpp

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/*
 * IDISPAT.CPP
 *
 * Template IDispatch interface implementation.
 *
 * Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
 *
 * Kraig Brockschmidt, Microsoft
 * Internet  :  [e-mail]
 * Compuserve:  >INTERNET:[e-mail]
 */


#include "idispat.h"


/*
 * CImpIDispatch::CImpIDispatch
 * CImpIDispatch::~CImpIDispatch
 *
 * Parameters (Constructor):
 *  pObj            LPVOID of the object we're in.
 *  pUnkOuter       LPUNKNOWN to which we delegate.
 */

CImpIDispatch::CImpIDispatch(LPVOID pObj
    , LPUNKNOWN pUnkOuter)
    {
    m_cRef=0;
    m_pObj=pObj;
    m_pUnkOuter=pUnkOuter;
    return;
    }

CImpIDispatch::~CImpIDispatch(void)
    {
    return;
    }



/*
 * CImpIDispatch::QueryInterface
 * CImpIDispatch::AddRef
 * CImpIDispatch::Release
 *
 * Purpose:
 *  Delegating IUnknown members for CImpIDispatch.
 */

STDMETHODIMP CImpIDispatch::QueryInterface(REFIID riid
    , LPVOID *ppv)
    {
    return m_pUnkOuter->QueryInterface(riid, ppv);
    }

STDMETHODIMP_(ULONG) CImpIDispatch::AddRef(void)
    {
    ++m_cRef;
    return m_pUnkOuter->AddRef();
    }

STDMETHODIMP_(ULONG) CImpIDispatch::Release(void)
    {
    --m_cRef;
    return m_pUnkOuter->Release();
    }




/*
 * CImpIDispatch::GetTypeInfoCount
 *
 * Purpose:
 *  Returns the number of tyep information (ITypeInfo) interfaces
 *  that the object provides (0 or 1).
 *
 * Parameters:
 *  pctInfo         UINT * to the location to receive
 *                  the count of interfaces.
 */

STDMETHODIMP CImpIDispatch::GetTypeInfoCount(UINT *pctInfo)
    {
    return ResultFromScode(E_NOTIMPL);
    }




/*
 * CImpIDispatch::GetTypeInfo
 *
 * Purpose:
 *  Retrieves type information for the automation interface.
 *
 * Parameters:
 *  itinfo          UINT reserved.  Must be zero.
 *  lcid            LCID providing the locale for the type
 *                  information.  If the object does not support
 *                  localization, this is ignored.
 *  pptinfo         ITypeInfo ** in which to store the ITypeInfo
 *                  interface for the object.
 */

STDMETHODIMP CImpIDispatch::GetTypeInfo(UINT itinfo
    , LCID lcid, ITypeInfo **pptInfo)
    {
    return ResultFromScode(E_NOTIMPL);
    }





/*
 * CImpIDispatch::GetIDsOfNames
 *
 * Purpose:
 *
 * Parameters:
 *  riid            REFIID reserved.  Must be NULL.
 *  rgszNames       OLECHAR ** pointing to the array of names to b
 *                  mapped.
 *  cNames          UINT number of names to be mapped.
 *  lcid            LCID of the locale.
 *  rgDispID        DISPID * caller allocated array containing IDs
 *                  corresponginf to those names in rgszNames.
 */

STDMETHODIMP CImpIDispatch::GetIDsOfNames(REFIID riid
    , OLECHAR **rgszNames, UINT cNames, LCID lcid
    , DISPID *rgDispID)
    {
    return ResultFromScode(E_NOTIMPL);
    }




/*
 * CImpIDispatch::Invoke
 *
 * Purpose:
 *
 * Parameters:
 *  dispIDMember    DISPID of the method to invoke.
 *  riid            REFIID reserved, must be NULL.
 *  lcid            LCID of the locale.
 *  wFlags          USHORT describing the context of the invocation.
 *  pDispParams     DISPPARAMS * to the array of arguments.
 *  pVarResult      VARIANT * in which to store the result.  Is
 *                  NULL if the caller is not interested.
 *  pExcepInfo      EXCEPINFO * to exception information.
 *  puArgErr        UINT * in which to store the index of an
 *                  invalid parameter if DISP_E_TYPEMISMATCH
 *                  is returned.
 */

STDMETHODIMP CImpIDispatch::Invoke(DISPID disIDMember, REFIID riid
    , LCID lcid, unsigned short wFlags, DISPPARAMS *pDispParams
    , VARIANT *pVarResult, EXCEPINFO *pExcepInfo
    , UINT *puArgErr)
    {
    return ResultFromScode(E_NOTIMPL);
    }