Source code of Windows XP (NT5)
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#include <dobjutil.h> // shell\inc (shared stuff)
#include "idlcomm.h"
// helper functions for people working with data objects
typedef struct{ IProgressDialog * ppd; ULARGE_INTEGER uliBytesCompleted; ULARGE_INTEGER uliBytesTotal;} PROGRESSINFO;
STDAPI_(UINT) DataObj_GetHIDACount(IDataObject *pdtobj);STDAPI DataObj_SetDropTarget(IDataObject *pdtobj, const CLSID *pclsid);STDAPI DataObj_GetDropTarget(IDataObject *pdtobj, CLSID *pclsid);STDAPI_(void *) DataObj_SaveShellData(IDataObject *pdtobj, BOOL fShared);STDAPI DataObj_GetShellURL(IDataObject *pdtobj, STGMEDIUM *pmedium, LPCSTR *ppszURL);STDAPI_(void) ReleaseStgMediumHGLOBAL(void *pv, STGMEDIUM *pmedium);STDAPI DataObj_SaveToFile(IDataObject *pdtobj, UINT cf, LONG lindex, LPCTSTR pszFile, FILEDESCRIPTOR *pfd, PROGRESSINFO * ppi);STDAPI DataObj_GetOFFSETs(IDataObject *pdtobj, POINT * ppt);STDAPI_(BOOL) DataObj_CanGoAsync(IDataObject *pdtobj);STDAPI_(BOOL) DataObj_GoAsyncForCompat(IDataObject *pdtobj);STDAPI DataObj_CopyHIDA(IDataObject * pdtobj, HIDA *phida); // use GlobalFree() to free it
STDAPI DataObj_GetIShellItem(IDataObject *pdtobj, IShellItem** ppsi);
STDAPI PathFromDataObject(IDataObject *pdtobj, LPTSTR pszPath, UINT cchPath);STDAPI PidlFromDataObject(IDataObject *pdtobj, LPITEMIDLIST *ppidlTarget);
#define HIDA_GetPIDLFolder(pida) (LPCITEMIDLIST)(((LPBYTE)pida)+(pida)->aoffset[0])
#define HIDA_GetPIDLItem(pida, i) (LPCITEMIDLIST)(((LPBYTE)pida)+(pida)->aoffset[i+1])
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