Hi, I am using the asio::mutable_buffer_1. All I want to do is copy external data from buffer to the Buffer that the mutable_buffer_1 is assigned. I have been reading the documentation provided but am unable to make heads or tails as to how to get this simple operation done. Is this possible. Do I have to sue the stream buffer class and if so how? Thanks CONFIDENTIAL INFORMATION NOTICE: The information contained in this e-mail is privileged, confidential and intended solely for the use of the addressee named above. If the reader of this e-mail is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this e-mail is strictly prohibited. If you received this in error, please contact the sender and destroy all copies of this e-mail. Thank you.