To insert BarCodeWiz Barcode ActiveX Control into your Borland Delphi 7 project, go to
Components ->Import ActiveX Control...
  

Select the appropriate library and click on Install...



BarCodeWiz Icon will appear in the Toolbar.
In order to insert BarCodeWiz onto your Form, simply drag it onto it.



BarCodeWiz Barcode ActiveX Control behaves in a similar fashion to built-in controls. If you can "program a button," you won't have any difficulty using BarCodeWiz.