c#读取文件夹路径，并保存在textBox1中

 private void button3_Click(object sender, RoutedEventArgs e)        {            System.Windows.Forms.FolderBrowserDialog dlg = new System.Windows.Forms.FolderBrowserDialog();            if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)            {                textBox1.Text = dlg.SelectedPath;            }        }