tabcontrol changing colour

private void tabControl1_DrawItem(object sender, DrawItemEventArgs e)
        {
           Font TabFont;
Brush BackBrush = new SolidBrush(Color.Green); //Set background color
Brush ForeBrush = new SolidBrush(Color.Yellow);//Set foreground color
if (e.Index == this.tabControl1.SelectedIndex)
{
    TabFont = new Font (e.Font, FontStyle.Italic FontStyle.Bold);
}
else
{
TabFont = e.Font;
}
string TabName = this.tabControl1.TabPages[e.Index].Text;
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
e.Graphics.FillRectangle(BackBrush, e.Bounds);
Rectangle r = e.Bounds;
r = new Rectangle(r.X, r.Y + 3, r.Width, r.Height - 3);
e.Graphics.DrawString(TabName, TabFont, ForeBrush, r, sf);
//Dispose objects
sf.Dispose();
if (e.Index == this.tabControl1.SelectedIndex)
{
TabFont.Dispose();
BackBrush.Dispose();
}
else
{
BackBrush.Dispose();
ForeBrush.Dispose();
}
        }

//TabFont = new Font (e.Font, FontStyle.Italic FontStyle.Bold);