System.Xml.XmlDataDocument.HasPointers C# (CSharp) Méthode

        internal bool HasPointers(XmlNode node)
        {
            while (true)
            {
                try
                {
                    if (_pointers.Count > 0)
                    {
                        object pointer = null;
                        foreach (DictionaryEntry entry in _pointers)
                        {
                            pointer = entry.Value;
                            Debug.Assert(pointer != null);
                            if (((IXmlDataVirtualNode)pointer).IsOnNode(node))
                                return true;
                        }
                    }
                    return false;
                }
                catch (Exception e) when (Data.Common.ADP.IsCatchableExceptionType(e))
                {
                    // This can happens only when some threads are creating navigators (thus modifying this.pointers) while other threads are in the foreach loop.
                }
            }
            //should never get to this point due to while (true) loop
        }