48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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// util.h : Utilities
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#ifndef __UTIL_H_
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#define __UTIL_H_
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#define LoadSaveHelpers 0
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#define PropBagInStream 1
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#if LoadSaveHelpers
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BOOL IsPersistable(IUnknown *pUnk);
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HRESULT SaveToStream(IUnknown *punk, IStorage *pstore, TCHAR *szPrefix, int n);
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HRESULT LoadFromStream(IStorage *pstore, TCHAR *szPrefix, int n, IUnknown **ppunk);
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HRESULT SaveToStorage(IUnknown *punk, IStorage *pstore, TCHAR *szPrefix, int n);
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HRESULT LoadFromStorage(IStorage *pstore, TCHAR *szPrefix, int n, IUnknown **ppunk);A
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#endif
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#if PropBagInStream
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HRESULT SaveToPropBagInStream(IPersistPropertyBag *ppersistpropbag, IStream *pstream);
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HRESULT LoadFromPropBagInStream(IStream *pstream, IUnknown **ppunk);
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class PropertyBag :
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public CComObjectRootEx<CComObjectThreadModel>,
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public IPropertyBag
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{
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public:
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~PropertyBag();
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BEGIN_COM_MAP(PropertyBag)
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COM_INTERFACE_ENTRY(IPropertyBag)
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END_COM_MAP()
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HRESULT ReadFromStream(IStream *pstream);
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HRESULT WriteToStream(IStream *pstream);
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// IPropertyBag interface
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STDMETHOD(Read)(LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog);
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STDMETHOD(Write)(LPCOLESTR pszPropName, VARIANT *pVar);
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protected:
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typedef map<BSTR, VARIANT, BSTRCmpLess> t_map;
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t_map m_mapProps;
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enum {t_Variant, t_PropertyBag, t_NULL, t_Blob};
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};
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#endif
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#endif // __UTIL_H_
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