ListBox.HasVerticalScrollbar
From Xojo Documentation
Property (As Boolean )
aListBox.HasVerticalScrollbar = newBooleanValue
or
BooleanValue = aListBox.HasVerticalScrollbar
New in 2019r2
Supported for all project types and targets.
or
BooleanValue = aListBox.HasVerticalScrollbar
New in 2019r2
Supported for all project types and targets.
If True, adds a vertical scrollbar to the ListBox. The position of the thumb is indicated by ScrollPosition. The default is True.