コード例 #1
0
        /// <summary>
        /// Expands a range to the safest outter tags that can be contained without encompassing
        /// text that is not currently in this range.
        /// </summary>
        /// <param name="range"></param>
        private void SelectOuter(MarkupRange range)
        {
            IHTMLElement parent        = range.ParentElement();
            MarkupRange  editableRange = MarkupHelpers.GetEditableRange(parent, MarkupServices);

            if (editableRange == null)
            {
                return;
            }

            while (parent != null && range.MoveOutwardIfNoContent())
            {
                parent = range.Start.CurrentScope;
            }

            if (range.Start.IsLeftOf(editableRange.Start))
            {
                range.Start.MoveToPointer(editableRange.Start);
            }
            if (range.End.IsRightOf(editableRange.End))
            {
                range.End.MoveToPointer(editableRange.End);
            }
            return;
        }