public IAsyncResult BeginWriteToStream(Stream stream, AsyncCallback callback, object state)
{
Fx.Assert(stream != null, "stream should not be null.");
MtomMessageEncoder mtomMessageEncoder = this.messageEncoder as MtomMessageEncoder;
if (mtomMessageEncoder == null)
{
return(this.messageEncoder.BeginWriteMessage(this.message, stream, callback, state));
}
else
{
return(mtomMessageEncoder.BeginWriteMessage(this.message, stream, this.mtomBoundary, callback, state));
}
}