| Name | Value | Description |
|---|---|---|
| None | 0 |
No header cells are focusable. |
| Column | 1 |
Only column header cells are focusable. |
| Row | 2 |
Only row header cells are focusable. |
| All | 3 |
Both column and row header cells are focusable. |
Specifies constants that define the focusability of row and column headers.