+ // Called to check if the popup - when an item container - actually
+ // has matching item. Case-sensitivity checking etc. is up to the
+ // implementation. If the found item matched the string, but is
+ // different, it should be written back to pItem. Default implementation
+ // always return true and does not alter trueItem.
+ virtual bool FindItem(const wxString& item, wxString* trueItem=NULL);
+