+ wxList mAllNodes;
+ wxList mRegularLst;
+ wxList mCycledLst;
+
+ // Internal method for finding a node.
+ wxNode* FindItemNode( void* pForObj );
+
+ // Internal method for resolving references.
+ void ResolveReferences();
+
+ // Internal method for findind and freeing a node.
+ wxNode* FindReferenceFreeItemNode();