Have to add OperationContext.Current.OutgoingMessageProperties to outgoing BizTalk message How to implement below code in BizTalk?
ConcurrentPrograms_ARClient client1 = new ConcurrentPrograms_ARClient(binding, address);
using (new OperationContextScope(client1.InnerChannel))
{
OperationContext.Current.OutgoingMessageProperties.Add("Property Name", "Property Value");
client1.OPERATION(params...);
}
You might want to take a look at WCF message inspectors. You can implement one in a separate project and configure it as a behavior in your send port where you would then have full control over both the request and the reply message.