Callback

An instance of Callback stores a message which can be invoked later. In effect it wraps the block of code for a method inside an object which you can store or pass to other objects.

Send the "invoke" message to a Callback instance to execute the method stored inside it.

Note

The maximum message length is 30 characters.

Class-Control Entry

Include this entry in the Class-Control paragraph of any program using this class.

Callback is class "callback"

Superclass

entryCallback

Class Methods

Instance Methods