protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
this.DrawBackground(g);
this.DrawTabPages(g);
}