VAGSuite.MapViewerEx.timer4_Tick C# (CSharp) Method

        private void timer4_Tick(object sender, EventArgs e)
        {
            if (_sp_dragging != null)
            {
                string yaxisvalue = _sp_dragging.Argument;
                int rowhandle = GetRowForAxisValue(yaxisvalue);
                if (m_TableWidth == 1)
                {
                    // single column graph..
                    int numberofrows = m_map_length;
                    if (m_issixteenbit) numberofrows /= 2;
                    rowhandle = (numberofrows - 1) - Convert.ToInt32(yaxisvalue);
                }
                if (rowhandle != -1)
                {
                    if (tmr_toggle)
                    {
                        gridView1.SelectCell(rowhandle, gridView1.Columns[(int)trackBarControl1.Value]);
                        tmr_toggle = false;
                    }
                    else
                    {
                        gridView1.ClearSelection();
                        tmr_toggle = true;
                    }
                }
            }
        }