The symbology drop-down option is missing in the VS properties window when targeting Net Core projects
Steps to reproduce:
1. Set AutoSize to true.
2. Set the Symbology to EAN128B.
3. Set the Value property to "a1111111"
Use the following settings of RadBarcodeView at design time:
Pay attention to the barcode and how it looks. If you run the project, the following result is displayed: