WSHCommon/Common/CommonLang/Geometry/SceneGraph2D/DisplayRoot.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CommonLang.Geometry.SceneGraph2D
{
    public class DisplayRoot : DisplayNode
    {
        public DisplayRoot()
        {
            this.parent = null;
        }
    }
}