// --------------------------------------------------------------------------------
// basedisp.h
// Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
// --------------------------------------------------------------------------------
#ifndef __BASEDISP_H
#define __BASEDISP_H

#include "privunk.h"
//class CPrivateUnknown;

// --------------------------------------------------------------------------------
// CPrivateUnknown
// --------------------------------------------------------------------------------
class CBaseDisp : 
    public IDispatch,
    public ISupportErrorInfo,
    public CPrivateUnknown
{
protected:
    LPTYPEINFO       m_pTypeInfo;
    LPVOID          *m_pUnkInvoke;

public:

    // ----------------------------------------------------------------------------
    // Construction
    // ----------------------------------------------------------------------------
    CBaseDisp(IUnknown *pUnkOuter=NULL);
    virtual ~CBaseDisp();

    virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj)
        { return CPrivateUnknown::QueryInterface(riid, ppvObj); };
    virtual STDMETHODIMP_(ULONG) AddRef(void)
        { return CPrivateUnknown::AddRef();};
    virtual STDMETHODIMP_(ULONG) Release(void)
        { return CPrivateUnknown::Release(); };

    // *** IDispatch ***
    virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo);
    virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo);
    virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgdispid);
    virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pdispparams, VARIANT *pvarResult, EXCEPINFO *pexcepinfo, UINT *puArgErr);

    // *** ISupportErrorInfo ***
    virtual HRESULT STDMETHODCALLTYPE InterfaceSupportsErrorInfo(REFIID riid);


    virtual HRESULT EnsureTypeLibrary(LPVOID *pUnkInvoke, REFIID riid);

protected:
    virtual HRESULT PrivateQueryInterface(REFIID riid, LPVOID *lplpObj);

    virtual HRESULT ReportError(REFCLSID rclsid, LONG ids);

};

#endif // __BASEDISP_H