public class IMTabBarr : TabControl
{
    #region Functions

    private Color ChangeLightness(Color color, float coef)
    {
        return Color.FromArgb((int)(color.R * coef), (int)(color.G * coef), (int)(color.B * coef));
    }

    #endregion

    #region Initialize/Properties

    public IMTabBarr()
    {
        SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.UserPaint | ControlStyles.OptimizedDoubleBuffer, true);
        Font = new Font("Verdana", 8F);
        SizeMode = TabSizeMode.Fixed;
        ItemSize = new Size(26, 121);

        StringF = new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Center };
        //SelectFillBrush = new SolidBrush(Color.FromArgb(30, 30, 30));
        //SelectFillBrush = new LinearGradientBrush(new Point(0, 0), new Point(0, 43), Color.FromArgb(81, 127, 164), Color.FromArgb(48, 96, 136));
        SelectFillBrush = new SolidBrush(Color.FromArgb(48,96,136));
        HoverFillBrush = new SolidBrush(Color.FromArgb(37, 37, 37));
        HighlightColor = Color.FromArgb(81, 126, 210);
    }

    public Color Highlight
    {
        get { return HighlightColor; }
        set
        {
            HighlightColor = value;
            Invalidate();
        }
    }

    #endregion

    #region Overrides

    protected override void CreateHandle()
    {
        base.CreateHandle();
        Alignment = TabAlignment.Left;
    }

    protected override void OnMouseMove(MouseEventArgs e)
    {
        for (int i = 0; i <= TabCount - 1; i++)
        {
            if (GetTabRect(i).Contains(e.Location))
            {
                HoverIndex = i;
                Invalidate();
            }
        }
        base.OnMouseMove(e);
    }

    protected override void OnMouseLeave(EventArgs e)
    {
        HoverIndex = -1;
        Invalidate();
        base.OnMouseLeave(e);
    }

    protected override void OnPaint(PaintEventArgs e)
    {
        G = e.Graphics;

        G.SmoothingMode = SmoothingMode.HighQuality;

        G.Clear(DefaultBackColor);

        G.FillRectangle(Brushes.White, new Rectangle(0, 0, Width, Height));
        G.FillRectangle(SelectFillBrush, new Rectangle(0, 0, ItemSize.Height + 2, Height));

        for (int i = 0; i <= TabCount - 1; i++)
        {
            Rectangle TabRect = GetTabRect(i);

            G.DrawLine(new Pen(Color.FromArgb(94, 94, 94)), new Point(TabRect.X, TabRect.Y), new Point(ItemSize.Height + 1, TabRect.Y));
            G.DrawLine(new Pen(SelectFillBrush), new Point(TabRect.X, TabRect.Y - (TabRect.Height - 25)), new Point(ItemSize.Height + 1, TabRect.Y - (TabRect.Height - 25)));

            NoSelectFillBrush = new LinearGradientBrush(TabRect, Color.FromArgb(50, 50, 50), Color.FromArgb(41, 41, 41), 90F);

            if (i == SelectedIndex)
            {
                G.FillRectangle(SelectFillBrush, TabRect);
                G.DrawLine(new Pen(HighlightColor), new Point(TabRect.X + 8, TabRect.Y - (TabRect.Height - 46)), new Point(TabRect.X + (TabRect.Width - 10), TabRect.Y - (TabRect.Height - 46)));
                G.DrawLine(new Pen(ChangeLightness(HighlightColor, .75F)), new Point(TabRect.X + 8, TabRect.Y - (TabRect.Height - 47)), new Point(TabRect.X + (TabRect.Width - 10), TabRect.Y - (TabRect.Height - 47)));
            }
            else if (i == HoverIndex)
            {
                G.FillRectangle(HoverFillBrush, TabRect);
            }
            else
            {
                G.FillRectangle(NoSelectFillBrush, TabRect);
            }

            G.DrawString(TabPages[i].Text, Font, Brushes.Black, new Rectangle(TabRect.X + 8, TabRect.Y + 1, TabRect.Width, TabRect.Height), StringF);
            G.DrawString(TabPages[i].Text, Font, Brushes.White, new Rectangle(TabRect.X + 7, TabRect.Y, TabRect.Width, TabRect.Height), StringF);
        }

        G.DrawLine(Pens.Black, new Point(ItemSize.Height + 2, 1), new Point(ItemSize.Height + 2, Height));
        //G.DrawLine(new Pen(Color.FromArgb(25, 25, 25)), new Point(2, (TabCount * 26) + 2), new Point(122, (TabCount * 26) + 2));
    }

    #endregion

    #region Declares

    private LinearGradientBrush NoSelectFillBrush;
    private StringFormat StringF;
    private Brush SelectFillBrush, HoverFillBrush;
    private Color HighlightColor;
    private Graphics G;
    private int HoverIndex = -1;

    #endregion
}