C# (CSharp) A1ServicesApp.Features.InvoiceValidation InvoiceValidator.SetInvoiceStateInvalid - 2 examples found. These are the top rated real world C# (CSharp) examples of A1ServicesApp.Features.InvoiceValidation.InvoiceValidator.SetInvoiceStateInvalid extracted from open source projects. You can rate examples to help us improve the quality of examples.