45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#ifndef __DSPSPRT_H__
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#define __DSPSPRT_H__
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// get ITypeInfo uuid/lcid out of type library
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STDAPI GetTypeInfoFromLibId(LCID lcid, REFGUID libid,
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USHORT wVerMajor, USHORT wVerMinor,
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REFGUID uuid, ITypeInfo **ppITypeInfo);
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//
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// Helper C++ class used to share code for the IDispatch implementations
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//
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// Inherit from this class passing this IDispatch's IID to the ctor
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//
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class CImpIDispatch
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{
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public:
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// We need access to the virtual QI -- define it PURE here
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj) PURE;
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protected:
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CImpIDispatch(REFGUID libid, USHORT wVerMajor, USHORT wVerMinor, REFIID riid);
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virtual ~CImpIDispatch(void);
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// For raising exceptions
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void Exception(WORD);
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// IDispatch members
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STDMETHODIMP GetTypeInfoCount(UINT *);
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STDMETHODIMP GetTypeInfo(UINT, LCID, ITypeInfo **);
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STDMETHODIMP GetIDsOfNames(REFIID, OLECHAR **, UINT, LCID, DISPID *);
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STDMETHODIMP Invoke(DISPID, REFIID, LCID, WORD, DISPPARAMS *, VARIANT *, EXCEPINFO *, UINT *);
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private:
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REFIID m_riid;
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REFGUID m_libid;
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USHORT m_wVerMajor;
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USHORT m_wVerMinor;
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ITypeInfo *m_pITINeutral; // Cached Type information
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};
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#endif // __DSPSPRT_H__
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