private void radButton1_Click(object sender, EventArgs e)
{
offlinePasswd = new OfflinePasswdForm();
offlinePasswd.ShowDialog(); //获得离线密码
if (offlinePasswd.DialogResult == DialogResult.Cancel)
{
return;
}
ListBox.SelectedObjectCollection checkedToDownload = listBox1.SelectedItems;
//选择的那门课程
____fDataModule.ServerToBriefcase
(Properties.Settings.Default.CurrentDownloadPasswd, checkedToDownload);
//开始下载课程信息
}