System.Net.WebConnectionStream.ReadAll C# (CSharp) Method

		internal void ReadAll ()
		{
			if (!isRead || read_eof || totalRead >= contentLength || nextReadCalled) {
				if (isRead && !nextReadCalled) {
					nextReadCalled = true;
					cnc.NextRead ();
				}
				return;
			}

			if (!pending.WaitOne (ReadTimeout))
				throw new WebException ("The operation has timed out.", WebExceptionStatus.Timeout);
			lock (locker) {
				if (totalRead >= contentLength)
					return;
				
				byte [] b = null;
				int diff = readBufferSize - readBufferOffset;
				int new_size;

				if (contentLength == Int32.MaxValue) {
					MemoryStream ms = new MemoryStream ();
					byte [] buffer = null;
					if (readBuffer != null && diff > 0) {
						ms.Write (readBuffer, readBufferOffset, diff);
						if (readBufferSize >= 8192)
							buffer = readBuffer;
					}

					if (buffer == null)
						buffer = new byte [8192];

					int read;
					while ((read = cnc.Read (request, buffer, 0, buffer.Length)) != 0)
						ms.Write (buffer, 0, read);

					b = ms.GetBuffer ();
					new_size = (int) ms.Length;
					contentLength = new_size;
				} else {
					new_size = contentLength - totalRead;
					b = new byte [new_size];
					if (readBuffer != null && diff > 0) {
						if (diff > new_size)
							diff = new_size;

						Buffer.BlockCopy (readBuffer, readBufferOffset, b, 0, diff);
					}
					
					int remaining = new_size - diff;
					int r = -1;
					while (remaining > 0 && r != 0) {
						r = cnc.Read (request, b, diff, remaining);
						remaining -= r;
						diff += r;
					}
				}

				readBuffer = b;
				readBufferOffset = 0;
				readBufferSize = new_size;
				totalRead = 0;
				nextReadCalled = true;
			}

			cnc.NextRead ();
		}

        internal void ReadAll()
        {
            WebConnectionStream wce = stream as WebConnectionStream;

            if (wce == null)
            {
                return;
            }

            try {
                wce.ReadAll();
            } catch {}
        }