private void btnDownload_Click(object sender, RoutedEventArgs e) { PrintTemplateViewModel Releasetemplate = TemplateGrid.Items[TemplateGrid.SelectedIndex] as PrintTemplateViewModel; System.Windows.Forms.FolderBrowserDialog foldBrowerDialog = new System.Windows.Forms.FolderBrowserDialog(); foldBrowerDialog.ShowDialog(); if (!string.IsNullOrEmpty(foldBrowerDialog.SelectedPath)) { if (Releasetemplate.DownLoad(foldBrowerDialog.SelectedPath)) { MessageBox.Show("发布离线版本成功!"); } else { MessageBox.Show("发布离线版本失败!"); } } }