This class manages an action connection in Interface Builder. Generally, its source is a user interface item, such as a button or menu item; its destination is an object that responds to an action method; and its label is the name of the action method, with a colon at the end.
Establishes an action connection.
This method establishes a connection between the source of an action and its destination. The label associated with the connection object contains the selector name to perform when the action occurs.
Available in OS X v10.0 and later.