If you download and install the demo of Barcodesoft Data Matrix font on your
computer, you will find crUFLBCS.dll from
"C:\Program Files\Common Files\Barcodesoft\Fontutil\" folder.
crUFLBCS.dll is a COM object with IDataMatrix interface.
You can find the detailed information about this interface from readme.html.
To call the method of this interface, 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.
Late Binding
Open LateBindingSample.frm with Visual Basic from
C:\Program Files\Barcodesoft\datamatrixfont\ folder.