BF2Statistics.SplitButton.OnMouseUp C# (CSharp) Метод

        protected override void OnMouseUp(MouseEventArgs mevent)
        {
            if (!showSplit)
            {
                base.OnMouseUp(mevent);
                return;
            }

            // if the right button was released inside the button
            if (mevent.Button == MouseButtons.Right && ClientRectangle.Contains(mevent.Location) && !isSplitMenuVisible)
            {
                ShowContextMenuStrip();
            }
            else if (m_SplitMenuStrip == null && m_SplitMenu == null || !isSplitMenuVisible)
            {
                SetButtonDrawState();

                if (ClientRectangle.Contains(mevent.Location) && !dropDownRectangle.Contains(mevent.Location))
                {
                    OnClick(new EventArgs());
                }
            }
        }