public StyleVisualMarker(Rectangle rectangle, Style style)
     : base(rectangle)
 {
     this.Style = style;
 }
 public VisualMarkerEventArgs(Style style, StyleVisualMarker marker, MouseEventArgs args)
     : base(args.Button, args.Clicks, args.X, args.Y, args.Delta)
 {
     this.Style  = style;
     this.Marker = marker;
 }