62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
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// ITDB.H: ITDatabase interface declaration
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#ifndef __ITDB_H__
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#define __ITDB_H__
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// {8fa0d5a2-dedf-11d0-9a61-00c04fb68bf7} (changed from IT 3.0)
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DEFINE_GUID(IID_IITDatabase,
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0x8fa0d5a2, 0xdedf, 0x11d0, 0x9a, 0x61, 0x00, 0xc0, 0x4f, 0xb6, 0x8b, 0xf7);
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#ifdef ITPROXY
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// {66673452-8C23-11d0-A84E-00AA006C7D01}
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DEFINE_GUID(CLSID_IITDatabase,
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0x66673452, 0x8c23, 0x11d0, 0xa8, 0x4e, 0x0, 0xaa, 0x0, 0x6c, 0x7d, 0x1);
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#else
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// {4662daa9-d393-11d0-9a56-00c04fb68bf7} (changed from IT 3.0)
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DEFINE_GUID(CLSID_IITDatabaseLocal,
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0x4662daa9, 0xd393, 0x11d0, 0x9a, 0x56, 0x00, 0xc0, 0x4f, 0xb6, 0x8b, 0xf7);
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#endif // ITPROXY
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// Guaranteed to be an invalid value for dwObjInstance params in IITDatabase
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// methods.
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#define IITDB_OBJINST_NULL ((DWORD) 0xFFFFFFFF)
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DECLARE_INTERFACE_(IITDatabase, IUnknown)
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{
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STDMETHOD(Open)(LPCWSTR lpszHost, LPCWSTR lpszMoniker, DWORD dwFlags) PURE;
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STDMETHOD(Close)(void) PURE;
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// Creates an unnamed object that can be referenced in the future
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// by *pdwObjInstance. Note that the value in *pdwObjInstance will be
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// persisted by the database when it is asked to save via
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// IPersistStorage::Save.
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STDMETHOD(CreateObject)(REFCLSID rclsid, DWORD *pdwObjInstance) PURE;
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// Retrieves a specified IUnknown-based interface on the object identified
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// by dwObjInstance.
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STDMETHOD(GetObject)(DWORD dwObjInstance, REFIID riid, LPVOID *ppvObj) PURE;
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// To obtain a pointer to a named object's persistence the object's full
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// name (including any object-specific type prefix) should be passed in
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// lpswszObject. If *lpwszObject is NULL, then the database's own storage
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// will be returned. If lpwszObject is NULL, then dwObjInstance will be
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// used to identify the object and locate its persistence. On exit,
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// *ppvPersistence will be either an IStorage* or an IStream*, depending
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// on what the caller specified with the fStream param. The caller should
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// assume that only read operations can be performed on *ppvPersistence.
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// If the specified object's persistence doesn't exist, or if it exists
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// but is of the wrong type, then STG_E_FILENOTFOUND will be returned.
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STDMETHOD(GetObjectPersistence)(LPCWSTR lpwszObject, DWORD dwObjInstance,
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LPVOID *ppvPersistence, BOOL fStream) PURE;
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};
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typedef IITDatabase* LPITDB;
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#endif // __ITDB_H__
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