MFC文件夹路径选择

CString defExe(_T(""));
CString defFileName(_T(""));
CString defFilter(_T("Data(*.*)|*.*|"));
CFileDialog dlgSaveData(true,defExe,defFileName,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,defFilter);
dlgSaveData.m_ofn.lpstrTitle=_T("选择文件路径");
dlgSaveData.m_ofn.lpstrInitialDir= _T(".\\"); 
if(dlgSaveData.DoModal()==IDOK)
{
m_SchPath=dlgSaveData.GetPathName();  //打开对话框，获取文件保存地址
}
UpdateData(FALSE);