public bool ToDockArea(bool bInteral, DockStyle eDockStyle, Point location)
        {
            if (this.Controls.Count < 1)
            {
                return(false);
            }
            IDock pDock = this.Controls[0] as IDock;

            if (pDock == null)
            {
                return(false);
            }
            return(pDock.ToDockArea(bInteral, eDockStyle, location));
        }