// Draw the tree. private void treePictureBox_Paint(object sender, PaintEventArgs e) { e.Graphics.SmoothingMode = SmoothingMode.AntiAlias; e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit; Root.DrawTree(e.Graphics, Brushes.LightBlue, Pens.Blue, Brushes.Black, treePictureBox.Font); }