protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
m_hoverButton = new Button();
var pullDown = ResourceHelper.BlueCircleDownArrowForView;
m_hoverButton.Image = pullDown;
m_hoverButton.Height = pullDown.Height + 4;
m_hoverButton.Width = pullDown.Width + 4;
m_hoverButton.FlatStyle = FlatStyle.Flat;
m_hoverButton.ForeColor = BackColor;
m_hoverButton.BackColor = BackColor;
}