SIL.FieldWorks.IText.InterlinDocForAnalysis.SelectFirstTranslationOrNote C# (CSharp) Method

		internal IVwSelection SelectFirstTranslationOrNote(ISegment segment)
		{
			if (segment == null)
				return null;
			int ws;
			int annotationFlid = GetFirstVisibleTranslationOrNoteFlid(segment, out ws);
			if (annotationFlid == 0)
				return null;
			int tagTextProp = ConvertTranslationOrNoteFlidToSegmentFlid(annotationFlid, segment, ws);
			SelLevInfo noteLevel = MakeInnerLevelForFreeformSelection(tagTextProp);
			// notes and translation lines have 3 levels: 2:para, 1:seg, 0:content or self property
			var vsli = new SelLevInfo[3];
			vsli[0] = noteLevel;  // note or translation line
			vsli[1].ihvo = segment.IndexInOwner; // specifies where segment is in para
			vsli[1].tag = StTxtParaTags.kflidSegments;
			vsli[2].ihvo = segment.Paragraph.IndexInOwner; // specifies where para is in IStText.
			vsli[2].tag = StTextTags.kflidParagraphs;
			int cPropPrevious = 0; // todo: other if not the first WS for tagTextProp
			var sel = RootBox.MakeTextSelection(0, vsli.Length, vsli, tagTextProp, cPropPrevious,
												0, 0, 0, false, 0, null, true);
			Focus();
			TryHideFocusBoxAndUninstall();
			return sel;
		}