NSAlertDelegate protocol defines the optional methods implemented by delegates of
Sent to the delegate when the user clicks the alert’s help button. The delegate causes help to be displayed for an alert, directly or indirectly.
- (BOOL)alertShowHelp:(NSAlert *)
truewhen the delegate displayed help directly,
falseand the alert has a help anchor (
setHelpAnchor:), the application’s help manager displays help using the help anchor.
The delegate implements this method only to override the help-anchor lookup behavior.
Available in OS X v10.3 and later.
Available as part of an informal protocol prior to OS X v10.6.