ADLTest.TestRenderingForm.draw C# (CSharp) Метод

        public void draw(object sender, PaintEventArgs e)
        {
            IntPtr dc = e.Graphics.GetHdc();
            DrawRequest drawR = new DrawRequest();
            drawR.hdc = dc;
            drawR.left = 0;
            drawR.right = renderingPanel.Width;
            drawR.top = 0;
            drawR.bottom = renderingPanel.Height;
            renderer.draw(drawR);
            e.Graphics.ReleaseHdc(dc);
        }