private void OnItemRemoved(object sender, SetModifiedEventArgs <RefShape2DMouseTracker> e)
{
ResetMouseMoveDelegate();
}
private void OnItemAdded(object sender, SetModifiedEventArgs <RefShape2DMouseTracker> e)
{
ResetMouseMoveDelegate();
// ? Essentially calling mouse-enter straight away, if item was added with mouse being over-top of it.
e.Item.MouseMoveCB(mousePos.CurrentValue);
}