private void Render() { RenderingOptions options = new RenderingOptions() { ViewPolygons = viewPolygonsToolStripMenuItem.Checked }; if (treeView1.SelectedNode != null) { if (treeView1.SelectedNode.Tag != null) { ScObject data = (ScObject)treeView1.SelectedNode.Tag; pictureBox1.Image = data.Render(options); pictureBox1.Refresh(); label1.Text = data.GetInfo(); } } }