1\wxheading{Event handling} 2 3To process input from a notebook control, use the following event handler macros to direct input to member 4functions that take a \helpref{wxNotebookEvent}{wxnotebookevent} argument. 5 6\twocolwidtha{7cm} 7\begin{twocollist}\itemsep=0pt 8\twocolitem{{\bf EVT\_NOTEBOOK\_PAGE\_CHANGED(id, func)}}{The page selection was changed. Processes a 9wxEVT\_COMMAND\_NOTEBOOK\_PAGE\_CHANGED event.} 10\twocolitem{{\bf EVT\_NOTEBOOK\_PAGE\_CHANGING(id, func)}}{The page selection is about to be changed. 11Processes a wxEVT\_COMMAND\_NOTEBOOK\_PAGE\_CHANGING event. This event can be \helpref{vetoed}{wxnotifyeventveto}.} 12\end{twocollist} 13 14