virtual bool DeleteColumn (wxDataViewColumn* columnPtr);
virtual void DoSetExpanderColumn(wxDataViewColumn const* columnPtr);
virtual wxDataViewColumn* GetColumn (unsigned int pos) const;
virtual int GetColumnPosition (wxDataViewColumn const* columnPtr) const;
virtual bool InsertColumn (unsigned int pos, wxDataViewColumn* columnPtr);
virtual bool DeleteColumn (wxDataViewColumn* columnPtr);
virtual void DoSetExpanderColumn(wxDataViewColumn const* columnPtr);
virtual wxDataViewColumn* GetColumn (unsigned int pos) const;
virtual int GetColumnPosition (wxDataViewColumn const* columnPtr) const;
virtual bool InsertColumn (unsigned int pos, wxDataViewColumn* columnPtr);