private void btn_Click(object sender, EventArgs e)
 {
     //command pattern cagırma
     if ((sender as Button).TabIndex == 1)
     {
         Klima     klima      = new Klima();
         ICommand2 switchUp2  = new FlipUpCommand2(klima);
         ICommand2 switchDown = new FlipUpCommand2(klima);
         Switch2   s2         = new Switch2();
         s2.StoreAndExecute(switchUp2);
     }
     else if ((sender as Button).TabIndex == 2)
     {
         Klima     klima       = new Klima();
         ICommand2 switchDown2 = new FlipDownCommand2(klima);
         Switch2   s2          = new Switch2();
         s2.StoreAndExecute(switchDown2);
     }
 }
 public FlipDownCommand2(Klima klima)
 {
     _klima = klima;
 }
 public FlipUpCommand2(Klima klima)
 {
     _klima = klima;
 }