private void ESC_Click()
        {

            Window_jianzhan2 window_Start1 = new Window_jianzhan2();
            window_Start1.Show();
            this.Close();//关闭当前窗口
        }
 private void ESC_Click(object sender, RoutedEventArgs e)
 {
   
     Window_jianzhan2 window_Start1 = new Window_jianzhan2();           
     window_Start1.Show();
     this.Close();//关闭当前窗口
 }
        private void YiZhiDian_Click(object sender, RoutedEventArgs e)
        {

            Window_jianzhan2 window_jianzhan2 = new Window_jianzhan2();
            window_jianzhan2.Show();
            this.Close();//关闭当前窗口

        }