# CellUnderline ```csharp public enum CellUnderline ``` Namespace `SharpCell` · package `SharpCell` How a font underlines text. ## Values | Name | Value | Description | |---|---|---| | `None` | 0 | No underline. | | `Single` | 1 | One line under the characters. | | `Double` | 2 | Two lines under the characters. | | `SingleAccounting` | 3 | One line across the whole cell, lower than [CellUnderline.Single](SharpCell.CellUnderline.md#single). | | `DoubleAccounting` | 4 | Two lines across the whole cell, lower than [CellUnderline.Double](SharpCell.CellUnderline.md#double). |