A Boolean value indicating whether the document keeps the backup files created before the document data is written to a file.
SDK
Framework
var keepBackupFile: Bool { get }
The default value of this property is false, which prevents the document from keeping backup files. Subclasses can override this property and return true from their implementation to have the document keep backup files.
func read(from: FileSets the contents of this document by reading from a file wrapper of a specified type.
var fileThe last known modification date of the document’s on-disk representation.
func runPresents a modal Save panel to the user, then tries to save the document if the user approves the panel.
var shouldA Boolean value indicating whether the document’s Save panel displays a list of supported writable document types.
var backupThe URL for the document’s backup file that was created during an autosave operation.
var fileThe location of the document’s on-disk representation.
var isA Boolean value indicating whether the document is a draft that the user has not expressed an interest in keeping around.