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// ITPROPL.H: ITPropertyList interface declaration
#ifndef __ITPROPL_H__
#define __ITPROPL_H__
#include <ocidl.h>
// {1F403BB1-9997-11d0-A850-00AA006C7D01}
DEFINE_GUID(IID_IITPropList, 0x1f403bb1, 0x9997, 0x11d0, 0xa8, 0x50, 0x0, 0xaa, 0x0, 0x6c, 0x7d, 0x1);
// {4662daae-d393-11d0-9a56-00c04fb68bf7} (changed from IT 3.0)
DEFINE_GUID(CLSID_IITPropList, 0x4662daae, 0xd393, 0x11d0, 0x9a, 0x56, 0x00, 0xc0, 0x4f, 0xb6, 0x8b, 0xf7);
typedef DWORD PROPID;
// Operations you can do on a property
#define PROP_ADD 0x00000000
#define PROP_DELETE 0x00000001
#define PROP_UPDATE 0x00000002
// Type of data
#define TYPE_VALUE 0x00000000
#define TYPE_POINTER 0x00000001
#define TYPE_STRING 0x00000002
// Class definition of CProperty
class CProperty{public: PROPID dwPropID; // property ID
DWORD cbData; // Amount of data
DWORD dwType; // What type this is
union { LPCWSTR lpszwData; // String
LPVOID lpvData; // Any kind of data
DWORD dwValue; // Numerical data
}; BOOL fPersist; // TRUE to persist this property
};
typedef CProperty* LPPROP;
// Interface def. for IITPropList
DECLARE_INTERFACE_(IITPropList, IPersistStreamInit){
// dwOperation = operation (add, delete, update, etc.) to perform on property list
STDMETHOD(Set)(PROPID PropID, DWORD dwData, DWORD dwOperation) PURE; STDMETHOD(Set)(PROPID PropID, LPVOID lpvData, DWORD cbData, DWORD dwOperation) PURE; STDMETHOD(Set)(PROPID PropID, LPCWSTR lpszwString, DWORD dwOperation) PURE; STDMETHOD(Add)(CProperty& Prop) PURE;
STDMETHOD(Get)(PROPID PropID, CProperty& Property) PURE; STDMETHOD(Clear)() PURE;
// set persistence state on property
STDMETHOD(SetPersist)(PROPID PropID, BOOL fPersist) PURE; // single property
STDMETHOD(SetPersist)(BOOL fPersist) PURE; // all properties in list
// for enumerating properties
STDMETHOD(GetFirst)(CProperty& Property) PURE; STDMETHOD(GetNext)(CProperty& Property) PURE; STDMETHOD(GetPropCount)(LONG &cProp) PURE;
// persist header and data separately
STDMETHOD(SaveHeader)(LPVOID lpvData, DWORD dwHdrSize) PURE; STDMETHOD(SaveData)(LPVOID lpvHeader, DWORD dwHdrSize, LPVOID lpvData, DWORD dwBufSize) PURE; STDMETHOD(GetHeaderSize)(DWORD& dwHdrSize) PURE; STDMETHOD(GetDataSize)(LPVOID lpvHeader, DWORD dwHdrSize, DWORD& dwDataSize) PURE; STDMETHOD(SaveDataToStream)(LPVOID lpvHeader, DWORD dwHdrSize, IStream* pStream) PURE;
// persist to a memory buffer
STDMETHOD(LoadFromMem)(LPVOID lpvData, DWORD dwBufSize) PURE; STDMETHOD(SaveToMem)(LPVOID lpvData, DWORD dwBufSize) PURE;
};
typedef IITPropList* LPITPROPLIST;
#endif // __ITPROPL_H__
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