PSPDFBackForwardActionListDelegate

Objective-C

@protocol PSPDFBackForwardActionListDelegate <NSObject>

Swift

protocol BackForwardActionListDelegate : NSObjectProtocol

An object to handle events from a BackForwardActionList.

Implementing one of each of the requestedBackActionExecution and requestedForwardActionExecution methods is required. They are marked optional during the deprecation transitional period.