Initializes and returns bookmark data derived from a file pointed to by a specified URL.


func CFURLCreateBookmarkDataFromFile(_ allocator: CFAllocator!, _ fileURL: CFURL!, _ errorRef: UnsafeMutablePointer<Unmanaged<CFError>?>!) -> Unmanaged<CFData>!



The allocator to use to allocate memory for the new CFURL object. Pass NULL or kCFAllocatorDefault to use the current default allocator.


The file URL.


The error that occurred in the case that the bookmark data cannot be created.

Return Value

The bookmark data for the file, or NULL if an error occurs.

See Also

Working with Bookmark Data

func CFURLCreateBookmarkDataFromAliasRecord(CFAllocator!, CFData!) -> Unmanaged<CFData>!

Initializes and returns bookmark data derived from an alias record.

func CFURLStartAccessingSecurityScopedResource(CFURL!) -> Bool

In an app that has adopted App Sandbox, makes the resource pointed to by a security-scoped URL available to the app.

func CFURLStopAccessingSecurityScopedResource(CFURL!)

In an app that adopts App Sandbox, revokes access to the resource pointed to by a security-scoped URL.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

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