//用户自己选择目录
void CCountDlg::OnBnClickedBtnSelect()
{
 // TODO: 在此添加控件通知处理程序代码
 TCHAR szPath[MAX_PATH];
 BROWSEINFO br;
 ITEMIDLIST * pItem;
 br.hwndOwner = this->GetSafeHwnd();
 br.iImage = 0;
 br.pszDisplayName = 0;
 br.lParam = 0 ;
 br.lpfn = 0 ;
 br.lpszTitle = "请选择路径";
 br.pidlRoot = 0 ;
 br.ulFlags = BIF_RETURNONLYFSDIRS;
 pItem = SHBrowseForFolder(&br);
 if ( SHGetPathFromIDList(pItem,szPath) == TRUE)
 {
  m_edtPath.SetWindowText( szPath);
 }
}