protected override void DrawActiveTab(DrawTabArgs tabArgs)
        {
            tabArgs.Appearance.BackColor    = Color.Chocolate;
            tabArgs.Appearance.BackColor2   = Color.Cornsilk;
            tabArgs.Appearance.GradientMode = LinearGradientMode.Vertical;
            tabArgs.DrawBackground();
            DirectionRectangle rect = new DirectionRectangle(PaintHelper.CalcTabContentBounds(tabArgs, DockingSkins.SkinTabHeader), !tabArgs.IsVertical);

            rect.CutFromHead(TabPanelPainter.TabHorzTextIndent);
            rect.CutFromTail(1);
            tabArgs.DrawString(tabArgs.TabLayout.TabText, rect.Bounds);
        }