private DataObject Copy(NormalizedSnapshotSpanCollection spans)
{
var text = spans.Aggregate(new StringBuilder(), GetTextWithoutPrompts, b => b.ToString());
var rtf = _rtfBuilderService.GenerateRtf(spans, _window._textView);
var data = new DataObject();
data.SetData(DataFormats.StringFormat, text);
data.SetData(DataFormats.Text, text);
data.SetData(DataFormats.UnicodeText, text);
data.SetData(DataFormats.Rtf, rtf);
return data;
}