MFC的记事本

  LPCTSTR szFilter = "文本文件(*.txt)|*.txt|所有文件(*.*)|*.*||";    CFileDialog dialog(FALSE, "txt", "文本", OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST |    OFN_FILEMUSTEXIST | OFN_CREATEPROMPT,     szFilter, this,NULL);if (IDCANCEL == dialog.DoModal()){    return;     }CFile flie;flie.Open(dialog.GetPathName(), CFile::modeWrite | CFile::modeCreate);CString szText;GetDlgItemText(IDC_EDIT1, szText);flie.Write(szText, szText.GetLength());bool fliebool = PathFileExists(dialog.GetPathName());if (fliebool == false)    MessageBox("保存失败，请检查文件是否被占用！");else    MessageBox("保存成功！");flie.Close();