//点击上传文件夹按钮事件
private void OnUploadFolderButtonClick(object sender, RoutedEventArgs e)
{
if (IsRevise)
{
CustomMessageBox.Show("修订文件时不能上传文件夹");
return;
}
var dialog = new FolderBrowser();
dialog.OnOk += OnSelectFolderCompleted;
dialog.Show();
}