EpgTimer.RecSettingView.button_bat_Click C# (CSharp) Method

        private void button_bat_Click(object sender, RoutedEventArgs e)
        {
            Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
            dlg.DefaultExt = ".bat";
            dlg.Filter = "bat Files (.bat)|*.bat;|all Files(*.*)|*.*";

            Nullable<bool> result = dlg.ShowDialog();
            if (result == true)
            {
                textBox_bat.Text = dlg.FileName;
            }
        }