SegmentedButton.RemoveSegmentAt
From Xojo Documentation
Method
SegmentedButton.RemoveSegementAt(Index as Integer)
New in 2019r2
Supported for all project types and targets.
New in 2019r2
Supported for all project types and targets.
Removes the specified segment. The first segment is numbered zero.
Example
When in any event of a segmented control, the following example removes the third segment (index position 2) from the segmented control:
Me.RemoveSegmentAt(2)