redec

                        String channelName = "PDFChannel_" + System.Threading.Thread.CurrentThread.ManagedThreadId.ToString();
                        String objectName = "PdfInfo" + System.Threading.Thread.CurrentThread.ManagedThreadId.ToString() + ".rem";
                        System.Collections.Hashtable properties = new System.Collections.Hashtable();
                        properties["portName"] = channelName;
                        properties["name"] = channelName;
                        properties["exclusiveAddressUse"] = false;
                        Hashtable sinkProps = new Hashtable();
                        sinkProps["typeFilterLevel"] = "Full";

                        IpcChannel serverChannel = null;
                        try
                        {
                            serverChannel = (IpcChannel)System.Runtime.Remoting.Channels.ChannelServices.GetChannel(channelName);
                            if (serverChannel == null)
                            {
                                serverChannel = new IpcChannel(properties, new BinaryClientFormatterSinkProvider(), new BinaryServerFormatterSinkProvider(sinkProps, null));
                                System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(serverChannel, false);
                                System.Runtime.Remoting.RemotingConfiguration.RegisterWellKnownServiceType(typeof(PdfInfo), objectName, WellKnownObjectMode.Singleton);
                            }

                            PdfInfo pdf = (PdfInfo)Activator.GetObject(typeof(PdfInfo), "ipc://" + channelName + "/" + objectName);
                            pdf.ConnectionString = Database.ConnectionString;
                            pdf.Driver = Database.ProviderName;
                            pdf.Config = Config;
                            pdf.Culture = System.Threading.Thread.CurrentThread.CurrentCulture;
                            pdf.Principal = System.Threading.Thread.CurrentPrincipal;
                            ProcessStartInfo start = new ProcessStartInfo("OutOfProcessPDFRunner.exe", "ipc://" + channelName + "/" + objectName);
                            start.CreateNoWindow = true;
                            start.UseShellExecute = false;

                            Process pdfProc = Process.Start(start);
                            pdfProc.PriorityClass = ProcessPriorityClass.BelowNormal;
                            if (pdfProc != null)
                                pdfProc.WaitForExit();
                            pdf.OutputStream.Position = 0;
                            byte[] pdfBuffer = new byte[pdf.OutputStream.Length];
                            pdf.OutputStream.Read(pdfBuffer, 0, pdfBuffer.Length);
                            return pdfBuffer;
                        }
                        finally
                        {
                            if(serverChannel != null)
                                System.Runtime.Remoting.Channels.ChannelServices.UnregisterChannel(serverChannel);
                        }