public Widget AddChild(Widget child)
{
if (!Constructed)
{
throw new InvalidOperationException("Widget must be constructed before children can be added.");
}
if (!child.Constructed)
{
child._Construct(Root);
}
if (!Object.ReferenceEquals(child.Root, Root))
{
throw new InvalidOperationException("Can't add UIItem to different heirarchy");
}
Children.Add(child);
child.Parent = this;
Invalidate();
return(child);
}
/// <summary>
/// Widgets must be constructed or some operations will fail. Use this function to construct a widget
/// when the widget is not being immediately added to its parent.
/// </summary>
/// <param name="NewWidget"></param>
/// <returns></returns>
public Widget ConstructWidget(Widget NewWidget)
{
NewWidget._Construct(this);
return(NewWidget);
}