protected override void OnPaint(PaintEventArgs e) { e.Graphics.FillRectangle(Brushes.White, this.ClientRectangle); if (space == null) { return; } Canvas canvas = this.space.Draw(this.ClientRectangle.Width - 4, this.ClientRectangle.Height - 4, this.angleX, this.angleY, this.angleZ, Point3D.Empty()); if (canvas == null) { return; } canvas.DrawOn(new Point(2, 2), e.Graphics); }