Lawo.EmberPlusSharp.S101.S101Writer.WriteMessageCoreAsync C# (CSharp) Method

        private async Task<NonSeekableStream> WriteMessageCoreAsync(
            S101Message message, CancellationToken cancellationToken)
        {
            this.AssertNotDisposed();

            if (message == null)
            {
                throw new ArgumentNullException(nameof(message));
            }

            if ((this.stream != null) && this.stream.CanWrite)
            {
                throw new InvalidOperationException(
                    "DisposeAsync() has not been called on the payload stream of the previous message.");
            }

            this.stream = await MessageEncodingStream.CreateAsync(this.writeBuffer, message, cancellationToken);

            if (!message.CanHavePayload)
            {
                await this.stream.DisposeAsync(cancellationToken);
                this.stream = null;
            }

            return this.stream;
        }