To print PDF417 barcode in VC++ application, you need Barcodesoft BCSPDF417 true type font and cruflbcs.dll.
If you download and install the demo of Barcodesoft PDF417 software on your computer, you will find crUFLBCS.dll from
"C:\Program Files (x86)\Common Files\Barcodesoft\Fontutil\" folder.
If you don't find cruflbcs.dll on your computer, please download it from PDF417 Barcode VC++.
crUFLBCS.dll is a COM object with IPDF417 interface.
You can find detailed information about IPDF417 interface from readme.html.
To call the methods of IPDF417 interface from VC++, you can use either Late Binding or Early Binding.
Late binding is used when type information of an object is unavailable at compile time.
Early binding requires the client to get access to the type library before compile.