Proxy proxy = new Proxy("BasicHttpBinding_IService1");
proxy.Endpoint.Address = new EndpointAddress("http://server/Service/Service1.svc");

public partial class Proxy : ClientBase<IService1>, IService1
{
        public Proxy()
        { }
        public Proxy(string endpointName)
            : base(endpointName)
        { }
        public Proxy(Binding binding, EndpointAddress remoteAddress) :
            base(binding, remoteAddress)
        { }
        public List<Something> GetSomethings()
        {
            return Channel.GetSomethings();
        }
}