/// <summary>
/// Must call this method to remove CirlcePin objects. Otherwise, overlays would not be removed.
/// </summary>
public void ClearCirclePins()
{
if (Pins.Count > 0)
{
var circlePins = new CirclePin[Pins.Count];
Pins.CopyTo(circlePins, 0);
Pins.Clear();
PinsCleared?.Invoke(this, circlePins);
}
}