If you use Crystal Reports 9 or above, you can add Barcodesoft formulas to Crystal Repository. Open Barcodesoft.rpt from C:\Program Files\Barcodesoft\Code128font folder. Click menu Report ==> Formula Workshop. Right click the formulas you need, choose "Add to Repository" from the context menu as shown. Now, Create a new Formula field as shown below
For more information about Code128, please click Code128.
To download crUFLBcs.dll, please click the following link