C# (CSharp) OpenPOS.Devices OPOSElectronicValueRW.QueryLastSuccessfulTransactionResult - 1 examples found. These are the top rated real world C# (CSharp) examples of OpenPOS.Devices.OPOSElectronicValueRW.QueryLastSuccessfulTransactionResult extracted from open source projects. You can rate examples to help us improve the quality of examples.