private void ESC_Click()
        {

            Window_jianzhan5_1 window_Start1 = new Window_jianzhan5_1();
            window_Start1.Show();
            this.Close();//关闭当前窗口
        }
 private void CeLiang_Click(object sender, RoutedEventArgs e)
 {
     Window_jianzhan5_1 window_jianzhan5_1 = new Window_jianzhan5_1();
     window_jianzhan5_1.Show();
     this.Close();//关闭当前窗口
 }
 private void ESC_Click(object sender, RoutedEventArgs e)
 {
     Window_jianzhan5_1 win = new Window_jianzhan5_1();
     win.Show();
     this.Close();
 }