You can genereate QRCode in MS Excel spreadsheet, MS Access, Crystal Reports.
You can generate Data Matrix in MS Excel spreadsheet, MS Access, Crystal Reports.
You can generate Code 128 barcode in MS crystal-reports spreadsheet, MS Access, Crystal Reports.
To print Aztec Code from Visual Basic, you need Barcodesoft BCSAztecCode.ttf true type font and cruflbcs.dll.
If you download and install the demo of Barcodesoft Aztec Code 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 Aztec Code Visual Bsic..
crUFLBCS.dll is a COM object with IAztecCode interface.
You can find detailed information about IAztecCode interface from readme.html.
To call the methods of IAztecCode interface from Visual Basic, 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.