/// <summary>
 /// Adds a selection highlighter to the specified TextView (removing any previous highlighting associated with this selection).
 /// </summary>
 public void AddHighlighter(TextView textView)
 {
     RemoveHighlighter();
     _SelectionHighlighter = new BlockHighlighter() { DrawSelectionBars = true, FillRange = true, OutlineRange = true, SelectionBarStyle = SelectionBarStyle.Thin };
     _SelectionHighlighter.Select(textView, HighlightRange, CodeRushPlaceholder.MultiSelect.HighlightColor, 0.1, 0.3);
 }