thumbnailDictionaryKey
A dictionary of NSImage/UIImage objects keyed by size (read-write). See Urlthumbnaildictionaryitem for a list of possible keys.
Declaration
static let thumbnailDictionaryKey: URLResourceKeyA dictionary of NSImage/UIImage objects keyed by size (read-write). See Urlthumbnaildictionaryitem for a list of possible keys.
static let thumbnailDictionaryKey: URLResourceKey