textStorageWillProcessEditing:

Sent when a text storage is about to process edits.

Declaration

optional func textStorageWillProcessEditing(_ notification: NSNotification)

Parameters

aNotification

A notification named willProcessEditingNotification.

Overview

The delegate can verify the changed state of the text storage object and make changes to the text storage object’s characters or attributes to enforce whatever constraints it establishes. Programmatic changes don’t result in this message being sent.

See Also

Deprecated

textStorageDidProcessEditing:

Sent when a text storage has finished processing edits.