Name
AddHandler Statement
Syntax
AddHandlerNameOfEventSender
, AddressOfNameOfEventHandler
-
NameOfEventSender
(required; String literal) The name of a class or object instance and its event, such as Button1.Click
-
NameOfEventHandler
(required; String literal) The name of a subroutine that is to serve as the event handler for
NameOfEventSender
Description
Binds an event handler to a built-in or custom event. This makes it possible to bind several event handlers to a single event.
NameOfEventSender takes the form class.event or object.event.
You can stop handling events defined by the
AddHandler
statement by calling theRemoveHandler
statement.
Example
For an illustration, see Section 7.2.3 in Chapter 7.
Programming Tips and Gotchas
The Handles
keyword can be used to receive event
notification for the lifetime of an object. In contrast,
AddHandler
and RemoveHandler
can be used to dynamically add and remove event notification at
runtime.
See Also
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