Returns the value of a resource property from specified bookmark data.


func CFURLCreateResourcePropertyForKeyFromBookmarkData(_ allocator: CFAllocator!, _ resourcePropertyKey: CFString!, _ bookmark: CFData!) -> Unmanaged<CFTypeRef>!



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


The resource property key. See Common File System Resource Keys for a list of possible keys.


The bookmark data the resource value is derived from.

Return Value

The resource property value.


This function does not attempt to resolve the bookmark data or perform I/O.

See Also

Getting and Setting File System Resource Properties

func CFURLClearResourcePropertyCache(CFURL!)

Removes all cached resource values and temporary resource values from the URL object.

func CFURLClearResourcePropertyCacheForKey(CFURL!, CFString!)

Removes the cached resource value identified by a given key from the URL object.

func CFURLCreateResourcePropertiesForKeysFromBookmarkData(CFAllocator!, CFArray!, CFData!) -> Unmanaged<CFDictionary>!

Returns the resource values for properties identified by a specified array of keys contained in specified bookmark data.

func CFURLSetResourcePropertiesForKeys(CFURL!, CFDictionary!, UnsafeMutablePointer<Unmanaged<CFError>?>!) -> Bool

Sets the URL’s resource properties for a given set of keys to a given set of values.