SingleBorderType Enum
Represents single border type.
Fields
| Bottom | Bottom border. |
| DiagonalDown | Diagonal down border (from top-left to bottom-right). |
| DiagonalUp | Diagonal up border (from bottom-left to top-right). |
| InsideHorizontal | Inside horizontal border. |
| InsideVertical | Inside vertical border. |
| Left | Left border. |
| Right | Right border. |
| Top | Top border. |