public RadioButtonGroup(Actor actor) : base(actor)
{
this.layoutGroup = RequireComponent <LayoutGroup>();
}
public LayoutElement(Actor actor) : base(actor)
{
this.boundingRect = RequireComponent <BoundingRect>();
this.parentGroup = this.actor.GetComponentInImmediateParent <LayoutGroup>();
Debug.Assert(this.parentGroup != null, "LayoutElement does not have a LayoutGroup parent");
}