void HighlightFold(FoldSegment segment)
{
var line = segment.GetStartLine(editor.Document);
var list = new List <FoldSegment>(editor.Document.GetFoldingContaining(line));
list.Sort((x, y) => x.Offset.CompareTo(y.Offset));
editor.TextViewMargin.DisposeLayoutDict();
editor.TextViewMargin.BackgroundRenderer = new FoldingScreenbackgroundRenderer(editor, list);
editor.ScrollTo(line.LineNumber, 0);
if (accessibles != null)
{
AtkCocoaExtensions.SetCurrentFocus(accessibles[segment].Accessible);
}
}
