C# (CSharp) ChinaPay.B3B.Service.ExternalPlatform._51bookCancelOrder cancelOrderRequest - 3 examples found. These are the top rated real world C# (CSharp) examples of ChinaPay.B3B.Service.ExternalPlatform._51bookCancelOrder.cancelOrderRequest extracted from open source projects. You can rate examples to help us improve the quality of examples.