+ This event class is used for the events generated by wxSpinButton and wxSpinCtrl.
+
+ @beginEventTable{wxSpinEvent}
+ @event{EVT_SPIN(id, func)}
+ Generated whenever an arrow is pressed.
+ @event{EVT_SPIN_UP(id, func)}
+ Generated when left/up arrow is pressed.
+ @event{EVT_SPIN_DOWN(id, func)}
+ Generated when right/down arrow is pressed.
+ @endEventTable
+
+ Note that if you handle both SPIN and UP or DOWN events, you will be notified
+ about each of them twice: first the UP/DOWN event will be received and then,
+ if it wasn't vetoed, the SPIN event will be sent.