public static void LearnModusSelected(LearnModi selected)
 {
     selectedModi.Add(selected);
 }
 public static void LearnModusDeselected(LearnModi deselected)
 {
     selectedModi.Remove(deselected);
 }
 public static bool has(LearnModi item)
 {
     return selectedModi.Contains(item);
 }
 public static bool has(LearnModi item)
 {
     return(selectedModi.Contains(item));
 }
 public static void LearnModusDeselected(LearnModi deselected)
 {
     selectedModi.Remove(deselected);
 }
 public static void LearnModusSelected(LearnModi selected)
 {
     selectedModi.Add(selected);
 }