cocoa - How to save a NSImage as a new file -

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How can I save an NSImage in a certain directory as a new directory (png, jpg, ...) Can i

Do something like this: 

  NSBitmapImageRep * imgRep = [[image Representing] ObjectAtIndex: 0]; NSDT * Data = [IMGRAP Presentation User Type: NSPNG FileType Properties: Zero]; [Write data file: @ "/ path / to / file page" atomic: no];

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