83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
// Copyright (c) 1999 Microsoft Corporation. All rights reserved.
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//
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// Templated base class CAutBaseImp for constructing automation interfaces.
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// Implements aggregation and IDispatched based on a table of method information.
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//
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#pragma once
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#include "authelper.h"
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// Inherit your class from CAutBaseImp with the following template types:
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// * T_derived is the type of your class itself.
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// * T_ITarget is the DirectMusic interface you are implemention automation for.
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// * T_piid is the address of the IID of T_ITarget.
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// Your class must have the following public static members:
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// * static const AutDispatchMethod ms_Methods[];
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// This table describes your methods and their parameters.
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// * static const DispatchHandlerEntry<T_derived> ms_Handlers[];
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// This table designates member functions on your class that will be called when
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// your methods are invoked.
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// * static const WCHAR ms_wszClassName[];
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// This is the name of your class that will be output in the debug log
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// as your functions are called.
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// See autperformance.h and autperformance.cpp for an example of using this base class.
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template <class T_derived>
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struct DispatchHandlerEntry
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{
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typedef HRESULT (T_derived::* pmfnDispatchHandler)(AutDispatchDecodedParams *paddp);
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DISPID dispid;
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pmfnDispatchHandler pmfn;
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};
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template <class T_derived, class T_ITarget, const IID *T_piid>
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class CAutBaseImp
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: public CAutUnknown::CAutUnknownParent,
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public IDispatch
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{
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public:
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// IUnknown
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STDMETHOD(QueryInterface)(const IID &iid, void **ppv);
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STDMETHOD_(ULONG, AddRef)();
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STDMETHOD_(ULONG, Release)();
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// IDispatch
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STDMETHOD(GetTypeInfoCount)(UINT *pctinfo);
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STDMETHOD(GetTypeInfo)(UINT iTInfo, LCID lcid, ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo);
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STDMETHOD(GetIDsOfNames)(
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REFIID riid,
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LPOLESTR __RPC_FAR *rgszNames,
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UINT cNames,
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LCID lcid,
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DISPID __RPC_FAR *rgDispId);
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STDMETHOD(Invoke)(
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DISPID dispIdMember,
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REFIID riid,
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LCID lcid,
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WORD wFlags,
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DISPPARAMS __RPC_FAR *pDispParams,
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VARIANT __RPC_FAR *pVarResult,
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EXCEPINFO __RPC_FAR *pExcepInfo,
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UINT __RPC_FAR *puArgErr);
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protected:
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CAutBaseImp(
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IUnknown* pUnknownOuter,
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const IID& iid,
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void** ppv,
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HRESULT *phr);
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virtual ~CAutBaseImp() {}
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T_ITarget *m_pITarget;
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private:
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CAutUnknown m_UnkControl;
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virtual void Destroy();
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};
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#include "autbaseimp.inl"
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