private void ESC_Click()
 {
     Window_jianzhan1 window_jianzhan1= new Window_jianzhan1();
     window_jianzhan1.Show();
     this.Close();//关闭当前窗口
 }
 private void ESC_Click(object sender, RoutedEventArgs e)
 {
     Window_jianzhan1 window_jianzhan1 = new Window_jianzhan1();
     window_jianzhan1.Show();
     this.Close();//关闭当前窗口
 }
 private void Cancel_Click(object sender, RoutedEventArgs e)
 {
     Window_jianzhan1 can = new Window_jianzhan1();
     can.Show();
     this.Close();
 }