\wxheading{Event handling}
+To process a directory picker event, use these event handler macros to direct input to member
+functions that take a \helpref{wxFileDirPickerEvent}{wxfiledirpickerevent} argument.
+
\twocolwidtha{7cm}%
\begin{twocollist}\itemsep=0pt
\twocolitem{{\bf EVT\_DIRPICKER\_CHANGED(id, func)}}{The user changed the