void AdvanceToLastVerse()
{
VerseRef vref = new VerseRef(uiBook.Text + " " + uiChapter.Text + ":1");
vref.Versification = curRef.Versification;
vref.VerseNum = vref.LastVerse;
AdvanceToLastSegment(vref);
uiVerse.Text = vref.Verse;
vref.CopyTo(curRef);
}