得到目录类.rar

/////////////////////////////////////////////////////////////////////////// // BrowseDirDialog.cpp ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "BrowseDirDialog.h" #include "shlobj.h" #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif //SHBrowseForFolder控件在初始化或选择改变后的回调函数 static int __stdcall BrowseCtrlCallback(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData) { CBrowseDirDialog* pBrowseDirDialogObj = (CBrowseDirDialog*)lpData; if (uMsg == BFFM_INITIALIZED && !pBrowseDirDialogObj->m_SelDir.IsEmpty()) { ::SendMessage(hwnd,BFFM_SETSELECTION,TRUE,(LPARAM)(LPCTSTR)(pBrowseDirDialogObj->m_SelDir)); } else // uMsg == BFFM_SELCHANGED { } return 0; } //构造函数 CBrowseDirDialog::CBrowseDirDialog() { } //析构函数 CBrowseDirDialog::~CBrowseDirDialog() { } int CBrowseDirDialog::DoBrowse() { LPMALLOC pMalloc; if (SHGetMalloc (&pMalloc)!= NOERROR) { return 0; } BROWSEINFO bInfo; LPITEMIDLIST pidl; ZeroMemory ( (PVOID) &bInfo,sizeof (BROWSEINFO)); if (!m_InitDir.IsEmpty ()) { OLECHAR olePath[MAX_PATH]; ULONG chEaten; ULONG dwAttributes; HRESULT hr; LPSHELLFOLDER pDesktopFolder; if (SUCCEEDED(SHGetDesktopFolder(&pDesktopFolder))) { MultiByteToWideChar(CP_ACP,MB_PRECOMPOSED, m_InitDir.GetBuffer(MAX_PATH), -1, olePath, MAX_PATH); m_InitDir.ReleaseBuffer (-1); //转换路径为ITEMLIST hr = pDesktopFolder->ParseDisplayName(NULL,NULL,olePath,&chEaten,&pidl, &dwAttributes); if (FAILED(hr)) { pMalloc ->Free (pidl); pMalloc ->Release (); return 0; } bInfo.pidlRoot = pidl; } } bInfo.hwndOwner = NULL; bInfo.pszDisplayName = m_Path.GetBuffer (MAX_PATH); bInfo.lpszTitle = (m_Title.IsEmpty()) ? "打开":m_Title; bInfo.ulFlags = BIF_RETURNFSANCESTORS|BIF_RETURNONLYFSDIRS; bInfo.lpfn = BrowseCtrlCallback; //回调函数地址 bInfo.lParam = (LPARAM)this; if ((pidl = ::SHBrowseForFolder(&bInfo)) == NULL) { return 0; } m_Path.ReleaseBuffer(); m_ImageIndex = bInfo.iImage; if (::SHGetPathFromIDList(pidl,m_Path.GetBuffer(MAX_PATH)) == FALSE) { pMalloc ->Free(pidl); pMalloc ->Release(); return 0; } m_Path.ReleaseBuffer(); pMalloc ->Free(pidl); pMalloc ->Release(); return 1; }