Protocol

AUCustomViewPersistentData

The delegate of a Cocoa-based audio unit view must adopt the AUCustomViewPersistentData protocol to support preserving view state between uses of the associated audio unit. The view data is an opaque dictionary that can contain any user-interface state information that the view needs to preserve.

Declaration

@protocol AUCustomViewPersistentData

Topics

Working With View State Data

customViewPersistentData

Called by the host application to obtain view state data from a custom Cocoa view.

Required.

Relationships

Conforming Types