/// <summary>
/// Renders the control using specified skin.
/// </summary>
/// <param name="skin">Skin to use.</param>
protected override void Render(Skin.SkinBase skin)
{
bool hasFocus = IsOnTop;
skin.DrawToolWindow(this, m_vertical, m_vertical ? m_DragBar.ActualHeight : m_DragBar.ActualWidth);
}