public override void RenderChildren(Graphics g, Rectangle r)
{
base.RenderChildren(g, r);
if (_newIcon != null)
{
if (!this.Node.HasChildren || !this.Node.Expanded)
{
_newIcon.Layout(g);
Rectangle rc = new Rectangle(r.X + r.Width - _newIcon.Width - 4, r.Y + 4, _newIcon.Width, _newIcon.Height);
_newIcon.Render(g, rc);
}
}
}