ListBox.GridLinesVerticalStyle
From Xojo Documentation
Property (As ListBox.Borders )
aListBox.GridLinesVerticalStyle = newListBox.BordersValue
or
ListBox.BordersValue = aListBox.GridLinesVerticalStyle
New in 2019r2
Supported for all project types and targets.
or
ListBox.BordersValue = aListBox.GridLinesVerticalStyle
New in 2019r2
Supported for all project types and targets.
Draws vertical lines between columns based on the selected style.
Notes
The style for the borders is selected using ListBox.Borders.
Example
This example sets the vertical lines to Thin Solid. The code is in the Open event of the control.
Me.GridLinesVerticalStyle = ListBox.Borders.ThinSolid