I'm making a Mac application to scan multiple page pdf documents.
I'm using an IKScannerDeviceView and I set it's transferMode property to memory based so in the delegate I can get the scanned page as NSData and then add the page to a PDFDocument.
However, despite setting it to memory based, it still works as file based. After scanning, the scan gets saved as a file and preview opens up and I'm not able to get NSData in the delegate, only NSUrl works.
Setting that is known to be buggy.
refer to for possible flawed workaround: http://lists.apple.com/archives/cocoa-dev/2011/May/msg00727.html