BizTalkMessageClone

ICloneable c &＃61; (ICloneable)message;
IBaseMessage outMsg &＃61; (IBaseMessage)c.Clone();
streamOut.Position &＃61; 0;
outMsg.BodyPart.Data &＃61; streamOut;

// Clean up resources
pipelineContext.ResourceTracker.AddResource(outMsg.BodyPart.Data);

return outMsg;