Forex_Strategy_Builder.Journal_Positions.OnMouseUp C# (CSharp) Метод

        protected override void OnMouseUp(MouseEventArgs e)
        {
            selectedRow = e.Y / rowHeight - 2;

            if (selectedRow < 0)
                selectedRow = 0;
            else if(selectedRow > shownPos - 1)
                selectedRow = shownPos - 1;

            Rectangle rect = new Rectangle(0, 2 * rowHeight, ClientSize.Width, ClientSize.Height - 2 * rowHeight);
            Invalidate(rect);
            vScrollBar.Select();

            return;
        }