private RegionWidgetState(RegionWidget widget)
{
Verify.Argument.IsNotNull(widget, nameof(widget));
Widget = widget;
RegionBounds = widget.RegionBounds;
var vertices = new List <VertexState>();
foreach (var vertex in widget.Children.OfType <VertexWidget>())
{
vertices.Add(new VertexState(vertex));
}
Vertices = vertices;
}
public static RegionWidgetState TryCapture(RegionWidget widget)
{
return(widget != null && !widget.RegionBounds.IsEmpty ? new RegionWidgetState(widget) : null);
}