Question

I wondering if in the same endpoint, which has been set to streamed transport mode, is it required to have all operation contracts in this service to have a stream in the parameter or as the return type for this service to work?

In short: Can streamed enabled endpoint contain operation contracts that do not have stream as a parameter or as a return type?

Answer 1

Yes, you can keep the same contract even if you use an stream endpoint, it doesn’t matter if it contains the stream as a return type or parameter.

For it to work you need to change some of the members of the contract to the headers.

[MessageContract]
public class MyContract
{
    [MessageHeader]
    public string FileName { get; set; }

    [MessageBodyMember]
    public Stream Content { get; set; }
}