-Returns the \helpref{origin}{wxhelpeventorigin} of the help event. This allows
-to determine the source of the event and show the appropriate help to the user.
+Returns the origin of the help event which is one of the following values:
+
+\twocolwidtha{7cm}
+\begin{twocollist}\itemsep=0pt
+\twocolitem{{\bf Origin\_Unknown}}{Unrecognized event source.}
+\twocolitem{{\bf Origin\_Keyboard}}{Event generated by \texttt{F1} key press.}
+\twocolitem{{\bf Origin\_HelpButton}}{Event generated by
+\helpref{wxContextHelp}{wxcontexthelp} or using the "?" title bur button under
+MS Windows.}
+\end{twocollist}
+
+The application may handle events generated using the keyboard or mouse
+differently, e.g. by using \helpref{wxGetMousePosition()}{wxgetmouseposition}
+for the mouse events.