These are events with number you have specified. They should be in the range 1 to 0x4FFF.
These events are routed, that the item that is run is first tried on the object where the event originated. Then on the parent object. Next on the ancestor object and finally on the application.
The first object/gadget that handles the event stops it from being bubbled up to the next higher level.
User events are caught in tbx by using the add_command
method
on an object or the application.