// When click on camera
 public void CamerasFocused(object sender, MouseButtonEventArgs e)
 {
     if (MainWindow.Logged && MainWindow.myUsers.Contains(MainWindow.user) &&
         (MainWindow.user.Licences.Equals("Admin")))
     {
         if (this.camera_oppened == false)
         {
             this.camera_oppened = true;
             this.win_controll   = new WindowControll(this);
             win_controll.Show();
         }
         else
         {
             this.win_controll.Activate();
         }
     }
 }