70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
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// EmFile.h : Declaration of the CEmFile
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#ifndef __EMFILE_H_
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#define __EMFILE_H_
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#include "resource.h" // main symbols
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/////////////////////////////////////////////////////////////////////////////
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// CEmFile
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class ATL_NO_VTABLE CEmFile :
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public IStream,
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public CComObjectRootEx<CComSingleThreadModel>,
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public CComCoClass<CEmFile, &CLSID_EmFile>,
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public ISupportErrorInfo,
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public IDispatchImpl<IEmFile, &IID_IEmFile, &LIBID_EMSVCLib>
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{
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private:
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HANDLE m_hEmFile;
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BSTR m_bstrFileName;
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private:
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HRESULT
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CreateEmFile
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(
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IN DWORD dwDesiredAccess = GENERIC_READ,
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IN DWORD dwShareMode = FILE_SHARE_READ,
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IN LPSECURITY_ATTRIBUTES lpSecurityAttributes = NULL,
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IN DWORD dwCreationDisposition = OPEN_EXISTING,
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IN DWORD dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL,
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IN HANDLE hTemplateFile = NULL
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);
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public:
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CEmFile();
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~CEmFile();
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DECLARE_REGISTRY_RESOURCEID(IDR_EMFILE)
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DECLARE_NOT_AGGREGATABLE(CEmFile)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CEmFile)
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COM_INTERFACE_ENTRY(IEmFile)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(ISupportErrorInfo)
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COM_INTERFACE_ENTRY(IStream)
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END_COM_MAP()
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// ISupportsErrorInfo
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STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);
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// IEmFile
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public:
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STDMETHOD(InitFile)(BSTR bstrFileName);
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STDMETHOD(Clone)(/*[out]*/ IStream **ppstm);
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STDMETHOD(Stat)(/*[out]*/ STATSTG *pstatstg, DWORD grfStatFlag);
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STDMETHOD(UnlockRegion)(/*[in]*/ ULARGE_INTEGER libOffset, /*[in]*/ ULARGE_INTEGER cb, /*[in]*/ DWORD dwLockType);
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STDMETHOD(LockRegion)(/*[in]*/ ULARGE_INTEGER libOffset, /*[in]*/ ULARGE_INTEGER cb, /*[in]*/ DWORD dwLockType);
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STDMETHOD(Revert)(void);
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STDMETHOD(Commit)(/*[in]*/ DWORD grfCommitFlags);
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STDMETHOD(CopyTo)(/*[in]*/ IStream *pstm, /*[in]*/ ULARGE_INTEGER cb, /*[out]*/ ULARGE_INTEGER *pcbRead, /*[out]*/ ULARGE_INTEGER *pcbWritten);
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STDMETHOD(SetSize)(/*[in]*/ ULARGE_INTEGER libNewSize);
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STDMETHOD(Seek)(/*[in]*/ LARGE_INTEGER dlibMove, /*[in]*/ ULONG dwOrigin, /*[out]*/ ULARGE_INTEGER *plibNewPosition);
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STDMETHOD(Write)(/*[in]*/ void const *pv, /*[in]*/ ULONG cb, /*[out]*/ ULONG *pcbWritten);
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STDMETHOD(Read)(/*[out]*/ void *pv, /*[in]*/ ULONG cb, /*[out]*/ ULONG *pcbRead);
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};
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#endif //__EMFILE_H_
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