LayoutFarm.Text.EditableTextLine.CollectLeftRuns C# (CSharp) Метод

        LinkedList<EditableRun> CollectLeftRuns(EditableRun t)
        {
            if (t.IsLineBreak)
            {
                throw new NotSupportedException();
            }

            LinkedList<EditableRun> colllectRun = new LinkedList<EditableRun>();
            foreach (EditableRun r in GetVisualElementForward(this.FirstRun, t))
            {
                colllectRun.AddLast(r);
            }
            return colllectRun;
        }
        LinkedList<EditableRun> CollectRightRuns(EditableRun t)