DesktopListBox.CellUnderline
From Xojo Documentation
Method
DesktopListBox.CellUnderline(row as Integer, column as Integer) As Boolean
New in 2021r3
Supported for all project types and targets.
New in 2021r3
Supported for all project types and targets.
Used to add or remove the underline style from the text of the specified cell.
Example
Assign True to add the underline style and False to remove the underline style. For example:
ListBox1.CellUnderline(1, 1) = True