+ // when we call SetClientObject() for the first time, m_clientDataItemsType
+ // is still wxClientData_None and so calling DoGetItemClientObject() would
+ // fail (in addition to being useless) - don't do it
+ if ( m_clientDataItemsType == wxClientData_Object )
+ {
+ wxClientData *clientDataOld = DoGetItemClientObject(n);
+ if ( clientDataOld )
+ delete clientDataOld;
+ }
+ else // m_clientDataItemsType == wxClientData_None
+ {
+ // now we have object client data
+ m_clientDataItemsType = wxClientData_Object;
+ }