void Explorerplusplus::OnAddressBarBeginDrag(void) { IDragSourceHelper *pDragSourceHelper = NULL; IDropSource *pDropSource = NULL; HRESULT hr; hr = CoCreateInstance(CLSID_DragDropHelper,NULL,CLSCTX_ALL, IID_IDragSourceHelper,(LPVOID *)&pDragSourceHelper); if(SUCCEEDED(hr)) { hr = CreateDropSource(&pDropSource,DRAG_TYPE_LEFTCLICK); if(SUCCEEDED(hr)) { LPITEMIDLIST pidlDirectory = m_pActiveShellBrowser->QueryCurrentDirectoryIdl(); FORMATETC ftc[2]; STGMEDIUM stg[2]; SetFORMATETC(&ftc[0],(CLIPFORMAT)RegisterClipboardFormat(CFSTR_FILEDESCRIPTOR), NULL,DVASPECT_CONTENT,-1,TYMED_HGLOBAL); HGLOBAL hglb = GlobalAlloc(GMEM_MOVEABLE,1000); FILEGROUPDESCRIPTOR *pfgd = static_cast<FILEGROUPDESCRIPTOR *>(GlobalLock(hglb)); pfgd->cItems = 1; FILEDESCRIPTOR *pfd = (FILEDESCRIPTOR *)((LPBYTE)pfgd + sizeof(UINT)); /* File information (name, size, date created, etc). */ pfd[0].dwFlags = FD_ATTRIBUTES|FD_FILESIZE; pfd[0].dwFileAttributes = FILE_ATTRIBUTE_NORMAL; pfd[0].nFileSizeLow = 16384; pfd[0].nFileSizeHigh = 0; /* The name of the file will be the folder name, followed by .lnk. */ TCHAR szDisplayName[MAX_PATH]; GetDisplayName(pidlDirectory,szDisplayName,SHGDN_INFOLDER); StringCchCat(szDisplayName,SIZEOF_ARRAY(szDisplayName),_T(".lnk")); StringCchCopy(pfd[0].cFileName,SIZEOF_ARRAY(pfd[0].cFileName),szDisplayName); GlobalUnlock(hglb); stg[0].pUnkForRelease = 0; stg[0].hGlobal = hglb; stg[0].tymed = TYMED_HGLOBAL; /* File contents. */ SetFORMATETC(&ftc[1],(CLIPFORMAT)RegisterClipboardFormat(CFSTR_FILECONTENTS), NULL,DVASPECT_CONTENT,-1,TYMED_HGLOBAL); hglb = GlobalAlloc(GMEM_MOVEABLE,16384); IShellLink *pShellLink = NULL; IPersistStream *pPersistStream = NULL; HRESULT hr; hr = CoCreateInstance(CLSID_ShellLink,NULL,CLSCTX_INPROC_SERVER, IID_IShellLink,(LPVOID*)&pShellLink); if(SUCCEEDED(hr)) { TCHAR szPath[MAX_PATH]; GetDisplayName(pidlDirectory,szPath,SHGDN_FORPARSING); pShellLink->SetPath(szPath); hr = pShellLink->QueryInterface(IID_IPersistStream,(LPVOID*)&pPersistStream); if(SUCCEEDED(hr)) { IStream *pStream = NULL; CreateStreamOnHGlobal(hglb,FALSE,&pStream); hr = pPersistStream->Save(pStream,TRUE); } } GlobalUnlock(hglb); stg[1].pUnkForRelease = 0; stg[1].hGlobal = hglb; stg[1].tymed = TYMED_HGLOBAL; IDataObject *pDataObject = NULL; POINT pt = {0,0}; hr = CreateDataObject(ftc,stg,&pDataObject,2); pDragSourceHelper->InitializeFromWindow(m_hAddressBar,&pt,pDataObject); DWORD dwEffect; DoDragDrop(pDataObject,pDropSource,DROPEFFECT_LINK,&dwEffect); CoTaskMemFree(pidlDirectory); pDataObject->Release(); pDropSource->Release(); } pDragSourceHelper->Release(); } }