ComponentFactory.Krypton.Toolkit.KryptonOffice2007Renderer.DrawGradientToolSplitItem C# (CSharp) Method

        private void DrawGradientToolSplitItem(Graphics g,
                                               ToolStripSplitButton splitButton,
                                               GradientItemColors colorsButton,
                                               GradientItemColors colorsDrop,
                                               GradientItemColors colorsSplit)
        {
            // Create entire area and just the drop button area rectangles
            Rectangle backRect = new Rectangle(Point.Empty, splitButton.Bounds.Size);
            Rectangle backRectDrop = splitButton.DropDownButtonBounds;

            // Cannot paint zero sized areas
            if ((backRect.Width > 0) && (backRectDrop.Width > 0) &&
                (backRect.Height > 0) && (backRectDrop.Height > 0))
            {
                // Area that is the normal button starts as everything
                Rectangle backRectButton = backRect;

                // The X offset to draw the split line
                int splitOffset;

                // Is the drop button on the right hand side of entire area?
                if (backRectDrop.X > 0)
                {
                    backRectButton.Width = backRectDrop.Left;
                    backRectDrop.X -= 1;
                    backRectDrop.Width++;
                    splitOffset = backRectDrop.X;
                }
                else
                {
                    backRectButton.Width -= backRectDrop.Width - 2;
                    backRectButton.X = backRectDrop.Right - 1;
                    backRectDrop.Width++;
                    splitOffset = backRectDrop.Right - 1;
                }

                // Create border path around the item
                using (GraphicsPath borderPath = CreateBorderPath(backRect, _cutMenuItemBack))
                {
                    // Draw the normal button area background
                    DrawGradientBack(g, backRectButton, colorsButton);

                    // Draw the drop button area background
                    DrawGradientBack(g, backRectDrop, colorsDrop);

                    // Draw the split line between the areas
                    using (LinearGradientBrush splitBrush = new LinearGradientBrush(new Rectangle(backRect.X + splitOffset, backRect.Top, 1, backRect.Height + 1),
                                                                                    colorsSplit.Border1, colorsSplit.Border2, 90f))
                    {
                        // Sigma curve, so go from color1 to color2 and back to color1 again
                        splitBrush.SetSigmaBellShape(0.5f);

                        // Convert the brush to a pen for DrawPath call
                        using (Pen splitPen = new Pen(splitBrush))
                            g.DrawLine(splitPen, backRect.X + splitOffset, backRect.Top + 1, backRect.X + splitOffset, backRect.Bottom - 1);
                    }

                    // Draw the border of the entire item
                    DrawGradientBorder(g, backRect, colorsButton);
                }
            }
        }