MFC选择文件(夹)按钮实现

MFC选择文件(夹)按钮实现

选择文件(夹)

 void CFileSelectDlg::OnBnClickedButtonSelect()
 {
     if(((CButton*)(GetDlgItem(IDC_RADIO_FILE)))->GetCheck())
     {
         char strExt[] = "dat";//设置文件的读取类型
         CString szFilter = "GeoTiff Files (*.dat)|*.dat|All Files (*.*)|*.*||";
         SelectFile(strExt,szFilter);
     }
     else
     {
         CString floder = SelectFolder();
         SetDlgItemText(IDC_EDIT_PATH,floder);
     }
 }

选择文件

 bool CFileSelectDlg::SelectFile(char* strExt,CString const& szFilter)
 {
     CFileDialog    dlg(TRUE,strExt,NULL,OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_ALLOWMULTISELECT,szFilter);
     dlg.m_ofn.lpstrTitle = "请选择缓存文件";
     CString inPath;
     CArray<CString,CString> aryFilename;
     if(dlg.DoModal() == IDOK)
     {
         CString filenames;
         POSITION posFile = dlg.GetStartPosition();
         while(posFile != NULL)
         {
             aryFilename.Add(dlg.GetNextPathName(posFile));
         }
     }

     int SelFileNum = aryFilename.GetSize();
     if(SelFileNum==)
     {
         AfxMessageBox("没有选择缓存文件");
         return false;
     }
     return true;
 }

选择文件夹

 CString CFileSelectDlg::SelectFolder()
 {
     TCHAR            szFolderPath[] = {};
     CString          strFolderPath;
     BROWSEINFO       sInfo;
     ::ZeroMemory(&sInfo,sizeof(BROWSEINFO));
     sInfo.pidlRoot = ;
     sInfo.lpszTitle = "请选择缓存文件所在文件夹";
     sInfo.ulFlags = BIF_RETURNONLYFSDIRS | BIF_EDITBOX |BIF_DONTGOBELOWDOMAIN;
     sInfo.lpfn = NULL;

     LPITEMIDLIST    lpidlBrowse = ::SHBrowseForFolder(&sInfo);
     if(lpidlBrowse != NULL)
     {
         if(::SHGetPathFromIDListA(lpidlBrowse,szFolderPath))
         {
             strFolderPath = szFolderPath;
         }
     }
     if(lpidlBrowse != NULL)
     {
         ::CoTaskMemFree(lpidlBrowse);
     }
     return strFolderPath;
 }