public partial class MainForm : Form    {        private RenderWindow3d m_RenderView = null;        public AnyCAD.Presentation.RenderWindow3d RenderView        {            get { return m_RenderView; }            set { m_RenderView = value; }        }        public MainForm()        {            InitializeComponent();            // Add 3D RenderView to container.            var container = this.splitContainer1.Panel2;            m_RenderView = new RenderWindow3d();            m_RenderView.Size = container.ClientSize;            m_RenderView.Dock = System.Windows.Forms.DockStyle.Fill;            container.Controls.Add(m_RenderView);        }  }