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 QRCode from Visual Basic, you need Barcodesoft BCSQRcode.ttf true type font and cruflbcs.dll.
If you download and install the demo of Barcodesoft QRCode font 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 QRCode Visual Bsic..
crUFLBCS.dll is a COM object with IQRCode interface.
You can find detailed information about IQRCode interface from readme.html.
To call the methods of IQRCode 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.