Print existing PDF (or other files) in C#

private void PrintFormPdfData(byte[] formPdfData)
    {
        string tempFile;

        tempFile = Path.GetTempFileName();

        using (FileStream fs = new FileStream(tempFile, FileMode.Create))
        {
            fs.Write(formPdfData, 0, formPdfData.Length);
            fs.Flush();
        }

        try
        {
            string gsArguments;
            string gsLocation;
            ProcessStartInfo gsProcessInfo;
            Process gsProcess;

            gsArguments = string.Format("-grey -noquery -printer "HP LaserJet 5M" "{0}"", tempFile);
            gsLocation = @"C:Program FilesGhostgumgsviewgsprint.exe";

            gsProcessInfo = new ProcessStartInfo();
            gsProcessInfo.WindowStyle = ProcessWindowStyle.Hidden;
            gsProcessInfo.FileName = gsLocation;
            gsProcessInfo.Arguments = gsArguments;

            gsProcess = Process.Start(gsProcessInfo);
            gsProcess.WaitForExit();
        }
        finally
        {
            File.Delete(tempFile);
        }
    }

''' <summary>
''' Start Adobe Process to print document
''' </summary>
''' <param name="p"></param>
''' <remarks></remarks>
Private Function printDoc(ByVal p As PrintObj) As PrintObj
    Dim myProcess As New Process()
    Dim myProcessStartInfo As New ProcessStartInfo(adobePath)
    Dim errMsg As String = String.Empty
    Dim outFile As String = String.Empty
    myProcessStartInfo.UseShellExecute = False
    myProcessStartInfo.RedirectStandardOutput = True
    myProcessStartInfo.RedirectStandardError = True

    Try

        If canIprintFile(p.sourceFolder & p.sourceFileName) Then
            isAdobeRunning(p)'Make sure Adobe is not running; wait till it's done
            Try
                myProcessStartInfo.Arguments = " /t " & """" & p.sourceFolder & p.sourceFileName & """" & " " & """" & p.destination & """"
                myProcess.StartInfo = myProcessStartInfo
                myProcess.Start()
                myProcess.CloseMainWindow()
                isAdobeRunning(p)
                myProcess.Dispose()
            Catch ex As Exception
            End Try
            p.result = "OK"
        Else
            p.result = "The file that the Document Printer is tryng to print is missing."
            sendMailNotification("The file that the Document Printer is tryng to print" & vbCrLf & _
            "is missing. The file in question is: " & vbCrLf & _
            p.sourceFolder & p.sourceFileName, p)
        End If
    Catch ex As Exception
        p.result = ex.Message
        sendMailNotification(ex.Message, p)
    Finally
        myProcess.Dispose()
    End Try
    Return p
End Function