public TimeslotSelectedEventArgs(RoutedEvent evt, TimeslotControl slot)
     : base(evt)
 {
     Slot = slot;
 }
 // This method raises the Tap event
 private void OnSelectionChanged(TimeslotControl sender)
 {
     TimeslotSelectedEventArgs newEventArgs = new TimeslotSelectedEventArgs(TimelineControl.SlotSelectedEvent, sender);
     RaiseEvent(newEventArgs);
 }