System.IO.Pipes.PipeStream.ReadCore C# (CSharp) Méthode

        private unsafe int ReadCore(byte[] buffer, int offset, int count)
        {
            int errorCode = 0;
            int r = ReadFileNative(_handle, buffer, offset, count, null, out errorCode);

            if (r == -1)
            {
                // If the other side has broken the connection, set state to Broken and return 0
                if (errorCode == Interop.Errors.ERROR_BROKEN_PIPE ||
                    errorCode == Interop.Errors.ERROR_PIPE_NOT_CONNECTED)
                {
                    State = PipeState.Broken;
                    r = 0;
                }
                else
                {
                    throw Win32Marshal.GetExceptionForWin32Error(errorCode, String.Empty);
                }
            }
            _isMessageComplete = (errorCode != Interop.Errors.ERROR_MORE_DATA);

            Debug.Assert(r >= 0, "PipeStream's ReadCore is likely broken.");

            return r;
        }