In the Observer pattern, an event handler is the function or method called on an observer listening for an event dispatched by the subject. Also known as an event listener.
0
votes
1answer
51 views
+100
How to check if a Sub is handling a NON custom event?
For custom events I can check the handler like this:
If Object.EventNameEvent Is Nothing Then
MsgBox("Is not handling it.")
End If
..But how I can do the same for example to check a ".click" ...
