windows-nt/Source/XPSP1/NT/multimedia/directx/dmusic/dmscript/globaldisp.h

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2020-09-26 03:20:57 -05:00
// Copyright (c) 1999 Microsoft Corporation. All rights reserved.
//
// Implements a script's global dispatch object.
// Calls are delegated to the performance, constants, or contained content held on the parent CDirectMusicScript object.
// AddRef/Release are ignored, because it is completely contained within the lifetime of CDirectMusicScript.
//
#pragma once
#include "dmscript.h"
class CGlobalDispatch
: public IDispatch
{
public:
CGlobalDispatch(CDirectMusicScript *pParentScript) : m_pParentScript(pParentScript) { assert(m_pParentScript); }
// IUnknown
STDMETHOD(QueryInterface)(const IID &iid, void **ppv);
STDMETHOD_(ULONG, AddRef)() { return 2; }
STDMETHOD_(ULONG, Release)() { return 2; }
// IDispatch
STDMETHOD(GetTypeInfoCount)(UINT *pctinfo);
STDMETHOD(GetTypeInfo)(UINT iTInfo, LCID lcid, ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo);
STDMETHOD(GetIDsOfNames)(
REFIID riid,
LPOLESTR __RPC_FAR *rgszNames,
UINT cNames,
LCID lcid,
DISPID __RPC_FAR *rgDispId);
STDMETHOD(Invoke)(
DISPID dispIdMember,
REFIID riid,
LCID lcid,
WORD wFlags,
DISPPARAMS __RPC_FAR *pDispParams,
VARIANT __RPC_FAR *pVarResult,
EXCEPINFO __RPC_FAR *pExcepInfo,
UINT __RPC_FAR *puArgErr);
private:
CDirectMusicScript *m_pParentScript;
};