//TODO: [MethodImpl(MethodImplOptions.AggressiveInlining)]
public static string GetCompleteWordAt(MSWord.Selection sel)
{
MSWord.Range word = sel.Document.Range(sel.Start, sel.End);
word.StartOf(MSWord.WdUnits.wdWord, MSWord.WdMovementType.wdExtend);
word.EndOf(MSWord.WdUnits.wdWord, MSWord.WdMovementType.wdExtend);
return(word.Text);
}