public void SetChildren(SecondaryHandle before, SecondaryHandle after)
{
ChildBefore = before;
ChildBefore.SetParent(this);
ChildAfter = after;
ChildAfter.SetParent(this);
}
private void AddHandles(List <ControlPoint> controlPoints)
{
var beforeHandle = new SecondaryHandle(controlPoints.First());
var mainHandle = new Handle(controlPoints.ElementAt(1));
var afterHandle = new SecondaryHandle(controlPoints.Last());
mainHandle.SetChildren(beforeHandle, afterHandle);
beforeHandle.SetPosition(ToPixel(controlPoints.First().Position));
mainHandle.SetPosition(ToPixel(controlPoints.ElementAt(1).Position));
afterHandle.SetPosition(ToPixel(controlPoints.Last().Position));
this.Children.Add(mainHandle);
this.Children.Add(beforeHandle);
this.Children.Add(afterHandle);
beforeHandle.SetParent(mainHandle);
afterHandle.SetParent(mainHandle);
this.Children.Add(beforeHandle.Arm);
this.Children.Add(afterHandle.Arm);
RegisterHandleEvents(beforeHandle);
RegisterHandleEvents(mainHandle);
RegisterHandleEvents(afterHandle);
}