XPTable.Models.Table.PaintGridRowsOnlyParent C# (CSharp) Method

        void PaintGridRowsOnlyParent(PaintEventArgs e, Pen gridPen)
        {
            if (this.TopIndex > -1)
            {
                int yline = this.CellDataRect.Y - 1;

                int rowright = GetGridlineYMax(e);

                // Need to draw each row grid at its correct height
                for (int irow = this.TopIndex; irow < this.TableModel.Rows.Count; irow++)
                {
                    if (!(this.tableModel.Rows[irow].Parent != null))
                    {
                        //if row is not a subrow:drawline and increment yline
                        if (yline > e.ClipRectangle.Bottom)
                            break;
                        if (yline >= this.CellDataRect.Top)
                            e.Graphics.DrawLine(gridPen, e.ClipRectangle.Left, yline, rowright, yline);

                        yline += this.TableModel.Rows[irow].Height;
                    }
                    else
                    {
                        // if row is a subrow,if is visible then increment yline
                        if (this.tableModel.Rows[irow].Parent.ExpandSubRows)
                            yline += this.TableModel.Rows[irow].Height;
                    }
                    //	e.Graphics.DrawLine(gridPen, e.ClipRectangle.Left, yline, e.ClipRectangle.Right, yline);
                }
                // Now draw the final gridline under the last row (if visible)
                // TODO Make this option selectable via a parameter?
                if (yline < e.ClipRectangle.Bottom)
                    e.Graphics.DrawLine(gridPen, e.ClipRectangle.Left, yline, rowright, yline);
            }
        }