\begin{verbatim}
// in the header of the source file
+BEGIN_DECLARE_EVENT_TYPES()
DECLARE_EVENT_TYPE(name, value)
+END_DECLARE_EVENT_TYPES()
// in the implementation
DEFINE_EVENT_TYPE(name)
since it used only for backwards compatibility with wxWidgets 2.0.x based
applications where you have to give the event type ID an explicit value.
+See also the \helpref{event sample}{sampleevent} for an example of code
+defining and working with the custom event types.
+
\wxheading{Using existing event classes}
If you just want to use a \helpref{wxCommandEvent}{wxcommandevent} with