C# (CSharp) PitneyBowes.Developer.ShippingApi.Mock MimeStream.SeekNextPart - 1 examples found. These are the top rated real world C# (CSharp) examples of PitneyBowes.Developer.ShippingApi.Mock.MimeStream.SeekNextPart extracted from open source projects. You can rate examples to help us improve the quality of examples.