How to minimize game window while pressing alt ctrl delete keys?

moveMap.bind("keyboard", "alt tab", "onWindowFocusChange(%isFocused)");
 moveMap.bind("keyboard", "alt ctrl delete", "onWindowFocusChange(%isFocused)");

function onWindowFocusChange(%isFocused)
{
   // pause game
    if (!%isFocused)
        pauseWindow(1);
        
   // unpause game
    else
        pauseWindow(0);
}

function pauseWindow(%state)
{      
    %scene = Scenewindow2d.getSceneGraph();       
    %result = (%state == 1) ? true : false;
    
    // pause game (only if the player hasn't paused the game)
    if (!$pauseingame)
    {
      %scene.setScenePause( %result ); 
      $paused = %state;
      echo("Paused:" @ %result);        
    }
    
    // turn music off when paused
    if (%state)
    {
      alxSetChannelVolume($GuiAudioType, 0);
      echo("Music Off");    
    }
    
    // turn music on when upased (and music option on)
    else
      alxSetChannelVolume($GuiAudioType, 1);
      echo("Music On");
}