SegmentedControl.AddAt
From Xojo Documentation
Method
SegmentedControl.AddSegmentAt(index as Integer, segment as SegmentedControlItem)
New in 2019r2
Supported for all project types and targets.
New in 2019r2
Supported for all project types and targets.
Creates a new segment at index (moving the existing rows over). The first segment is numbered 0.
Example
The following example adds a segment at the 4th position.