Instance Property

hasUnautosavedChanges

A Boolean value indicating whether the document has changes that have not been autosaved.

Declaration

@property(readonly) BOOL hasUnautosavedChanges;

Discussion

The value of this property is YES if the document has changes that have not been autosaved; otherwise, the value is NO. A document has unsaved changes when the updateChangeCount: method has been called since the last save.

See Also

Autosaving

- checkAutosavingSafetyAndReturnError:

Returns a Boolean value indicating whether it is probably safe to autosave document changes.

- scheduleAutosaving

Schedules periodic autosaving for the purpose of crash protection.

- autosaveDocumentWithDelegate:didAutosaveSelector:contextInfo:

Autosaves the document’s contents at an appropriate location.

- autosaveWithImplicitCancellability:completionHandler:

Autosaves the document’s contents at an appropriate location if it needs autosaving.

autosavesInPlace

Returns whether the receiver supports autosaving in place.

autosavesDrafts

Returns whether the receiving subclass of NSDocument supports autosaving of drafts.

preservesVersions

Returns whether the receiving subclass of NSDocument supports Versions.

- browseDocumentVersions:

Opens the Versions browser in the document’s main window.

autosavingFileType

Returns the document type that should be used for an autosave operation.

autosavingIsImplicitlyCancellable

A Boolean value indicating whether autosaving is happening now but could be safely cancelled.

autosavedContentsFileURL

The location of the most recently autosaved document contents.