Represents the diagonal borders which can be displayed in cells.
Both diagonal borders will be displayed in the cell.
The default value for the diagonal borders.
A diagonal border going from the top-left to bottom-right corner will be displayed in the cell.
A diagonal border going from the bottom-left to top-right corner will be displayed in the cell.
No diagonal borders will be displayed in the cell.
Represents the diagonal borders which can be displayed in cells.