Returns pointer to the data model associated with the
control (if any).
-\membersection{wxDataViewCtrl::GetNumberOfColumns}\label{wxdataviewctrlgetnumberofcolumns}
+\membersection{wxDataViewCtrl::GetColumnCount}\label{wxdataviewctrlgetcolumncount}
-\func{virtual unsigned int}{GetNumberOfColumns}{\void}
+\func{virtual unsigned int}{GetColumnCount}{\void}
Returns the number of columns.