void Add(Event @event)
{
var tick = new SelectionTick();
tick.Event = @event;
tick.OnRemove = Remove;
tick.OnChangePosition = ChangePosition;
tick.Initialize();
const int widthOfTick = 6;
Canvas.SetBottom(tick, 0);
double offset = (@event.StartTime.Subtract(Events.StartTime).TotalSeconds *WidthMultiplier) - widthOfTick / 2;
Canvas.SetLeft(tick, offset);
Canvas.Children.Add(tick);
eventsInRuler.Add(@event);
}
void ChangePosition(SelectionTick tick)
{
double offset = tick.Event.StartTime.Subtract(Events.StartTime).TotalSeconds *WidthMultiplier;
Canvas.SetLeft(tick, offset);
}
void Remove(SelectionTick tick)
{
eventsInRuler.Remove(tick.Event);
Canvas.Children.Remove(tick);
}