sample code showing how to update a segment pair using integration API

UpdateSegmentPair.cs

var segmentPair = _editorController.ActiveDocument.ActiveSegmentPair;

foreach (var markupData in segmentPair.Target)
{
    var text = markupData as IText;
    if (text != null)
    {
        text.Properties.Text = "Segment directly updated";
    }
}
_editorController.ActiveDocument.UpdateSegmentPair(segmentPair);