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

        void PaintGridColumns(PaintEventArgs e, Pen gridPen)
        {
            int right = this.DisplayRectangleLeft;

            int columns = this.ColumnModel.Columns.Count;

            List<bool> wholeLineFlags = this.GetWholeLineFlags(columns);

            int bottom = this.GetGridlineXMax(e);

            for (int i = 0; i < columns; i++)
            {
                if (!this.ColumnModel.Columns[i].Visible)
                {
                    continue;
                }

                right += this.ColumnModel.Columns[i].Width;

                // We only draw a single, full-height line if the flags tell us there are no colspans or if it is the
                // right hand edge of the last column.
                if (wholeLineFlags[i] || i == (columns - 1))
                {
                    if (right >= e.ClipRectangle.Left && right <= e.ClipRectangle.Right)
                    {
                        e.Graphics.DrawLine(
                            gridPen,
                            right - 1,
                            e.ClipRectangle.Top,
                            right - 1,
                            bottom);
                    }
                }
                else
                {
                    // We need to draw the vertical line for each row separately to cope with colspans
                    this.PaintBrokenGridColumn(e, gridPen, i, right);
                }
            }
        }