System.Windows.Forms.CommandBarManager.NotifyChevronPushed C# (CSharp) Method

        private void NotifyChevronPushed(ref Message message)
        {
            NativeMethods.NMREBARCHEVRON nrch = (NativeMethods.NMREBARCHEVRON)message.GetLParam(typeof(NativeMethods.NMREBARCHEVRON));
            int index = nrch.wID - 0xEB00;
            if ((index < this.commandBars.Count) && (this.commandBars[index] != null))
            {
                Point point = new Point(nrch.rc.left, nrch.rc.bottom);
                this.commandBars[index].Show(this, point);
            }
        }