Values for the iBorderStyle field on SFTMASK_CONTROL.
| SFTMASK_BORDER_NONE (0) | No border. |
| SFTMASK_BORDER_THIN (1) | Thin single-pixel border. |
| SFTMASK_BORDER_STANDARD (2) | Standard 3D edit field border. Default. |
When themes are active (see the iUseThemes field), the theme paints the edit field frame. Themes are suppressed automatically when dark mode or high contrast is active.
See Also Display Attributes | SFTMASK_CONTROL