SourceGrid.GridVirtual.GetScrollableArea C# (CSharp) Method

        public Rectangle GetScrollableArea()
        {
            Rectangle rect = DisplayRectangle;

            int fixedRows = ActualFixedRows;

            int fixedColumns = ActualFixedColumns;

            if (fixedRows > 0)
                rect.Y = Rows.GetAbsoluteBottom(fixedRows - 1);
            else
                rect.Y = 0;
            rect.Height -= rect.Y;

            if (fixedColumns > 0)
                rect.X = Columns.GetAbsoluteRight(fixedColumns - 1);
            else
                rect.X = 0;
            rect.Width -= rect.X;

            return rect;
        }