void Insert( const wxString &item, int pos );
void Insert( const wxString &item, int pos, void* clientData );
void Insert( const wxString &item, int pos, wxClientData* clientData );
void Insert( const wxString &item, int pos );
void Insert( const wxString &item, int pos, void* clientData );
void Insert( const wxString &item, int pos, wxClientData* clientData );