protected override void OnRenderSplitButtonBackground(ToolStripItemRenderEventArgs e)
        {
            ToolStrip            toolStrip = e.ToolStrip;
            ToolStripSplitButton item      = e.Item as ToolStripSplitButton;

            if (item != null)
            {
                Graphics           graphics = e.Graphics;
                LinearGradientMode mode     = (toolStrip.Orientation == Orientation.Horizontal) ? LinearGradientMode.Vertical : LinearGradientMode.Horizontal;
                Rectangle          bounds   = new Rectangle(Point.Empty, item.Size);
                new SmoothingModeGraphics(graphics);
                Color arrowColor = toolStrip.Enabled ? this.ColorTable.Fore : SystemColors.ControlDark;
                if (item.BackgroundImage != null)
                {
                    Rectangle clipRect = item.Selected ? item.ContentRectangle : bounds;
                    ControlPaintEx.DrawBackgroundImage(graphics, item.BackgroundImage, this.ColorTable.Back, item.BackgroundImageLayout, bounds, clipRect);
                }
                if (item.ButtonPressed)
                {
                    if (this.ColorTable.BaseItemDown != null)
                    {
                        ImageDrawRect.DrawRect(graphics, (Bitmap)this.ColorTable.BaseItemDown, bounds, Rectangle.FromLTRB(this.ColorTable.BackRectangle.X, this.ColorTable.BackRectangle.Y, this.ColorTable.BackRectangle.Width, this.ColorTable.BackRectangle.Height), 1, 1);
                    }
                    else
                    {
                        Rectangle buttonBounds = item.ButtonBounds;
                        Padding   padding      = (item.RightToLeft == RightToLeft.Yes) ? new Padding(0, 1, 1, 1) : new Padding(1, 1, 0, 1);
                        buttonBounds = LayoutUtils.DeflateRect(buttonBounds, padding);
                        RenderHelper.RenderBackgroundInternal(graphics, bounds, this.ColorTable.BaseItemHover, this.ColorTable.BaseItemBorder, this.ColorTable.Back, this.ColorTable.BaseItemRadiusStyle, this.ColorTable.BaseItemRadius, this.ColorTable.BaseItemBorderShow, this.ColorTable.BaseItemAnamorphosis, mode);
                        buttonBounds.Inflate(-1, -1);
                        graphics.SetClip(buttonBounds);
                        RenderHelper.RenderBackgroundInternal(graphics, buttonBounds, this.ColorTable.BaseItemPressed, this.ColorTable.BaseItemBorder, this.ColorTable.Back, RoundStyle.Left, false, true, mode);
                        graphics.ResetClip();
                        using (Pen pen = new Pen(this.ColorTable.BaseItemSplitter))
                        {
                            graphics.DrawLine(pen, item.SplitterBounds.Left, item.SplitterBounds.Top, item.SplitterBounds.Left, item.SplitterBounds.Bottom);
                        }
                    }
                    base.DrawArrow(new ToolStripArrowRenderEventArgs(graphics, item, item.DropDownButtonBounds, arrowColor, ArrowDirection.Down));
                }
                else if (item.Pressed || item.DropDownButtonPressed)
                {
                    if (this.ColorTable.BaseItemDown != null)
                    {
                        ImageDrawRect.DrawRect(graphics, (Bitmap)this.ColorTable.BaseItemDown, bounds, Rectangle.FromLTRB(this.ColorTable.BackRectangle.X, this.ColorTable.BackRectangle.Y, this.ColorTable.BackRectangle.Width, this.ColorTable.BackRectangle.Height), 1, 1);
                    }
                    else
                    {
                        RenderHelper.RenderBackgroundInternal(graphics, bounds, this.ColorTable.BaseItemPressed, this.ColorTable.BaseItemBorder, this.ColorTable.Back, this.ColorTable.BaseItemRadiusStyle, this.ColorTable.BaseItemRadius, this.ColorTable.BaseItemBorderShow, this.ColorTable.BaseItemAnamorphosis, mode);
                    }
                    base.DrawArrow(new ToolStripArrowRenderEventArgs(graphics, item, item.DropDownButtonBounds, arrowColor, ArrowDirection.Down));
                }
                else if (item.Selected)
                {
                    if (this.ColorTable.BaseItemMouse != null)
                    {
                        ImageDrawRect.DrawRect(graphics, (Bitmap)this.ColorTable.BaseItemMouse, bounds, Rectangle.FromLTRB(this.ColorTable.BackRectangle.X, this.ColorTable.BackRectangle.Y, this.ColorTable.BackRectangle.Width, this.ColorTable.BackRectangle.Height), 1, 1);
                    }
                    else
                    {
                        RenderHelper.RenderBackgroundInternal(graphics, bounds, this.ColorTable.BaseItemHover, this.ColorTable.BaseItemBorder, this.ColorTable.Back, this.ColorTable.BaseItemRadiusStyle, this.ColorTable.BaseItemRadius, this.ColorTable.BaseItemBorderShow, this.ColorTable.BaseItemAnamorphosis, mode);
                        using (Pen pen2 = new Pen(this.ColorTable.BaseItemSplitter))
                        {
                            graphics.DrawLine(pen2, item.SplitterBounds.Left, item.SplitterBounds.Top, item.SplitterBounds.Left, item.SplitterBounds.Bottom);
                        }
                    }
                    base.DrawArrow(new ToolStripArrowRenderEventArgs(graphics, item, item.DropDownButtonBounds, arrowColor, ArrowDirection.Down));
                }
                else
                {
                    base.DrawArrow(new ToolStripArrowRenderEventArgs(graphics, item, item.DropDownButtonBounds, arrowColor, ArrowDirection.Down));
                }
            }
            else
            {
                base.OnRenderSplitButtonBackground(e);
            }
        }
        protected override void OnRenderButtonBackground(ToolStripItemRenderEventArgs e)
        {
            ToolStrip       toolStrip = e.ToolStrip;
            ToolStripButton item      = e.Item as ToolStripButton;
            Graphics        graphics  = e.Graphics;

            if (item == null)
            {
                return;
            }
            LinearGradientMode    mode      = (toolStrip.Orientation == Orientation.Horizontal) ? LinearGradientMode.Vertical : LinearGradientMode.Horizontal;
            SmoothingModeGraphics graphics2 = new SmoothingModeGraphics(graphics);
            Rectangle             bounds    = new Rectangle(Point.Empty, item.Size);

            if (item.BackgroundImage != null)
            {
                Rectangle clipRect = item.Selected ? item.ContentRectangle : bounds;
                ControlPaintEx.DrawBackgroundImage(graphics, item.BackgroundImage, this.ColorTable.Back, item.BackgroundImageLayout, bounds, clipRect);
            }
            if (item.CheckState == CheckState.Unchecked)
            {
                if (item.Selected)
                {
                    Bitmap img = item.Pressed ? ((Bitmap)this.ColorTable.BaseItemDown) : ((Bitmap)this.ColorTable.BaseItemMouse);
                    if (img != null)
                    {
                        ImageDrawRect.DrawRect(graphics, img, bounds, Rectangle.FromLTRB(this.ColorTable.BackRectangle.X, this.ColorTable.BackRectangle.Y, this.ColorTable.BackRectangle.Width, this.ColorTable.BackRectangle.Height), 1, 1);
                    }
                    else
                    {
                        Color baseItemHover = this.ColorTable.BaseItemHover;
                        if (item.Pressed)
                        {
                            baseItemHover = this.ColorTable.BaseItemPressed;
                        }
                        RenderHelper.RenderBackgroundInternal(graphics, bounds, baseItemHover, this.ColorTable.BaseItemBorder, this.ColorTable.Back, this.ColorTable.BaseItemRadiusStyle, this.ColorTable.BaseItemRadius, this.ColorTable.BaseItemBorderShow, this.ColorTable.BaseItemAnamorphosis, mode);
                    }
                    goto Label_0302;
                }
                if (!(toolStrip is ToolStripOverflow))
                {
                    goto Label_0302;
                }
                using (Brush brush = new SolidBrush(this.ColorTable.ItemHover))
                {
                    graphics.FillRectangle(brush, bounds);
                    goto Label_0302;
                }
            }
            Bitmap baseItemMouse = (Bitmap)this.ColorTable.BaseItemMouse;
            Color  baseColor     = ControlPaint.Light(this.ColorTable.ItemHover);

            if (item.Selected)
            {
                baseColor     = this.ColorTable.ItemHover;
                baseItemMouse = (Bitmap)this.ColorTable.BaseItemMouse;
            }
            if (item.Pressed)
            {
                baseColor     = this.ColorTable.ItemPressed;
                baseItemMouse = (Bitmap)this.ColorTable.BaseItemDown;
            }
            if (baseItemMouse == null)
            {
                RenderHelper.RenderBackgroundInternal(graphics, bounds, baseColor, this.ColorTable.BaseItemBorder, this.ColorTable.Back, this.ColorTable.BaseItemRadiusStyle, this.ColorTable.BaseItemRadius, this.ColorTable.BaseItemBorderShow, this.ColorTable.BaseItemAnamorphosis, mode);
            }
            else
            {
                ImageDrawRect.DrawRect(graphics, baseItemMouse, bounds, Rectangle.FromLTRB(this.ColorTable.BackRectangle.X, this.ColorTable.BackRectangle.Y, this.ColorTable.BackRectangle.Width, this.ColorTable.BackRectangle.Height), 1, 1);
            }
Label_0302:
            graphics2.Dispose();
        }