System.IO.Pipes.PipesAclExtensions.SetAccessControl C# (CSharp) Méthode

        public static void SetAccessControl(this PipeStream stream, PipeSecurity pipeSecurity)
        {
            // PipeState can not be Closed and the Handle can not be null or closed
            if (pipeSecurity == null)
            {
                throw new ArgumentNullException(nameof(pipeSecurity));
            }

            var handle = stream.SafePipeHandle; // A non-null, open handle implies a non-closed PipeState.

            // NamedPipeClientStream: PipeState can not be WaitingToConnect or Broken. WaitingToConnect is covered by the SafePipeHandle check.
            if (stream is NamedPipeClientStream && !stream.IsConnected) // Pipe could also be WaitingToConnect, Broken, Disconnected, or Closed.
            {
                throw new InvalidOperationException(SR.InvalidOperation_PipeNotYetConnected);
            }

            pipeSecurity.Persist(handle);
        }
    }