Hjælp til IF-THEN-ELSE i batch fil:

pslist -e dvbviewer >NUL 2>&1 
if %errorlevel%==0 (
 taskkill /F /IM DVBViewer.exe
 NET STOP DVBVRecorder
 @ECHO OFF timeout /T 2
 NET START DVBVRecorder
 @ECHO OFF timeout /T 1
 start "" C:\"Program Files\Team MediaPortal"\MediaPortal\MediaPortal.exe "%1"
) else (
 start "" C:\"Program Files\Team MediaPortal"\MediaPortal\MediaPortal.exe "%1"
)

tasklist /fi "Imagename eq DVBViewer.exe" | find /i /c "DVBViewer.exe" >NUL 2>&1 
if %errorlevel%==0 (
 taskkill /F /IM DVBViewer.exe
 NET STOP DVBVRecorder
 @ECHO OFF timeout /T 2
 NET START DVBVRecorder
 @ECHO OFF timeout /T 1
 start "" C:\"Program Files\Team MediaPortal"\MediaPortal\MediaPortal.exe "%1"
) else (
 start "" C:\"Program Files\Team MediaPortal"\MediaPortal\MediaPortal.exe "%1"
)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices;
using System.ServiceProcess;
using System.Threading;
using Microsoft.Win32;
using System.Media;

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
              InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
              RunCycle();
              
        }

        private void LaunchDVBviewerExitCMD()
        {
              //Find DVBviewer
              string strRegName;
              strRegName = Convert.ToString(
               Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Wi ndows\CurrentVersion",
                    "ProgramFilesDir", ""));
              string strDVBviewer = "\\dvbviewer\\dvbviewer.exe";

              //Findes DVBviewer.exe på systemet?
              bool blReturn;
              blReturn = File.Exists(strRegName + strDVBviewer);
              if (blReturn)
              {
                  //Lukker DVBviewer Konventionelt, hvis den findes          
                  ProcessStartInfo dvbcc = new ProcessStartInfo();
                  dvbcc.FileName = strRegName + strDVBviewer;
                  dvbcc.Arguments = string.Format(@"-x6");
                  Process p = Process.Start(dvbcc);

              }
              else
              {

                  MessageBox.Show("Error: DVBVIEWER NOT FOUND ON SYSTEM");
                  this.Close();
              }
        }

        //Main Method:
        private void RunCycle()
        {
              Process[] processes = Process.GetProcessesByName("dvbviewer");
              if (processes.Length == 1)
              {
                  LaunchDVBviewerExitCMD();
                  Thread.Sleep(1500);
                  StartMP();
                  Thread.Sleep(3000);
                  RelaunchDVBviewer();
                  this.Close();
              }

              else
              {
                  StartMP();
              }
        }
        //Metode til Korrektion og restarts af Services..

        private void RelaunchDVBviewer()
        {
              Process[] processes = Process.GetProcessesByName("dvbviewer");
              if (processes.Length == 1)
              {
                  KillDVBviewer();
                  StopService();
                  Thread.Sleep(5000);
                  StartService();
                  this.Close();
              }
              else
              {
                  this.Close();
              }
        
        
        }


        //Metode til at Stoppe service


        private void StopService()
        {
              ServiceController sc = new ServiceController("DVBVRecorder");

              sc.Status.ToString();

              if ((sc.Status.Equals(ServiceControllerStatus.Running)) ||
                   (sc.Status.Equals(ServiceControllerStatus.StartPending)))
              {
                 

                  sc.Stop();
              }
              else
              {
           
              }


        }

        // Metode til Start af Service 
        private void StartService()
        {
              ServiceController sc = new ServiceController("DVBVRecorder");

              sc.Status.ToString();

              if ((sc.Status.Equals(ServiceControllerStatus.Stopped)) ||
                   (sc.Status.Equals(ServiceControllerStatus.StopPending)))
              {
                  

                  sc.Start();
              }
              else
              {
              
              }

        }
        // Ekstern metode til at dræbe DVBViewer
        private void KillDVBviewer()
        {
              Process[] processes = Process.GetProcessesByName("DVBviewer");
              foreach (Process process in processes)
              {
                  process.Kill();
              }
        }

        private void StartMP()
        {
              string strMPpath = @"c:\Program Files\Team MediaPortal\MediaPortal\MediaPortal.exe";
              
              bool blReturn;
              blReturn = File.Exists(strMPpath);
              if (blReturn)
              {

                  ProcessStartInfo mp = new ProcessStartInfo();
                  mp.FileName = strMPpath;
                  mp.Arguments = string.Format(@"%1");
                  Process p = Process.Start(mp);
              }
              else
              {
                  MessageBox.Show("Error: MP not at default path");
                  this.Close();
              }
        
        }
    
    }
}