Source code of Windows XP (NT5)
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//*******************************************************************************************
//
// Filename : DataObj.h
//
// Definition of CCabObj
//
// Copyright (c) 1994 - 1996 Microsoft Corporation. All rights reserved
//
//*******************************************************************************************
#ifndef _DATAOBJ_H_
#define _DATAOBJ_H_
#include "thisguid.h"
class CCabObj : public IDataObject, public IPersistStream
{
public:
CCabObj(HWND hwndOwner, CCabFolder *pcf, LPCABITEM *apit, UINT cpit);
~CCabObj();
STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
STDMETHODIMP GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium);
STDMETHODIMP GetDataHere(FORMATETC *pformatetc, STGMEDIUM *pmedium);
STDMETHODIMP QueryGetData(FORMATETC *pformatetc);
STDMETHODIMP GetCanonicalFormatEtc(FORMATETC *pformatectIn, FORMATETC *pformatetcOut);
STDMETHODIMP SetData(FORMATETC *pformatetc, STGMEDIUM *pmedium, BOOL fRelease);
STDMETHODIMP EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc);
STDMETHODIMP DAdvise(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink,
DWORD *pdwConnection);
STDMETHODIMP DUnadvise(DWORD dwConnection);
STDMETHODIMP EnumDAdvise(IEnumSTATDATA **ppenumAdvise);
// *** IPersist ***
STDMETHODIMP GetClassID(CLSID* pClassID){ *pClassID = CLSID_CabViewDataObject; return S_OK; }
// *** IPersistStream ***
STDMETHODIMP IsDirty(void) {return S_OK;} // Indicate that we are dirty and ::Save() needs to be called.
STDMETHODIMP Load(IStream *pStm);
STDMETHODIMP Save(IStream *pStm, BOOL fClearDirty);
STDMETHODIMP GetSizeMax(ULARGE_INTEGER * pcbSize);
private:
BOOL InitFileGroupDesc();
BOOL InitFileContents();
BOOL InitPersistedDataObject();
BOOL InitHIDA();
static HGLOBAL * CALLBACK ShouldExtract(LPCTSTR pszFile, DWORD dwSize,
UINT date, UINT time, UINT attribs, LPARAM lParam);
HRESULT InitContents();
friend HRESULT CabViewDataObject_CreateInstance(REFIID riid, LPVOID* ppv);
CCabObj();
private:
static UINT s_uFileGroupDesc;
static UINT s_uFileContents;
static UINT s_uPersistedDataObject;
static UINT s_uHIDA;
CRefCount m_cRef;
CRefDll m_cRefDll;
CCabItemList m_lSel;
HGLOBAL *m_lContents;
CCabFolder *m_pcfHere;
HWND m_hwndOwner;
};
#endif // _DATAOBJ_H_