private void ShowOriginalLocation(int index, VIZCore3D.NET.Data.Object3DProperty prop, VIZCore3D.NET.Data.Vector3D v) { List <Color> color = new List <Color>(); color.Add(Color.FromArgb(10, 255, 0, 0)); color.Add(Color.FromArgb(10, 0, 255, 0)); color.Add(Color.FromArgb(10, 0, 0, 255)); vizcore3d.SelectionBox.Add(prop.GetBoundBox(), color[index], Color.FromArgb(100, 255, 255, 255), ""); VIZCore3D.NET.Data.Vertex3DItemCollection items = new VIZCore3D.NET.Data.Vertex3DItemCollection(); items.Add(prop.CenterPoint); items.Add(prop.CenterPoint + v.ToVertex3D()); vizcore3d.ShapeDrawing.AddLine( new List <Data.Vertex3DItemCollection>() { items } , 0 , Color.Red , 5.0f , true ); }