AutoStart

gistfile1.cs

public static class CAutoStartUtils
{
  public static string exePath
  {
    get
    {
      return (ApplicationDeployment.IsNetworkDeployed) ? Path.Combine(CDeploymentInfo.AppPath, exeName) : Assembly.GetExecutingAssembly().Location;
    }
  }

  public static string exeName
  {
    get { return (ApplicationDeployment.IsNetworkDeployed) ? CDeploymentInfo.AppName : Assembly.GetExecutingAssembly().GetName().Name; }
  }

  public static bool IsAutoStartEnabled()
  {
    return IsAutoStartEnabled(Registry.CurrentUser, exeName, exePath);                  
  }

  public static void EnableAutoStart()
  {
    if (!IsAutoStartEnabled(Registry.CurrentUser, exeName, exePath))
      ResetAutoStart(Registry.CurrentUser, exeName, exePath);
  }

  public static void DisableAutoStart()
  {
    ResetAutoStart(Registry.CurrentUser, exeName, string.Empty);
  }

  // http://simpcode.blogspot.com/2008/07/c-set-and-unset-auto-start-for-windows.html

  private const string RunKeyPath = @"Software\Microsoft\Windows\CurrentVersion\Run";

  private static bool IsAutoStartEnabled(RegistryKey key, string name, string path)
  {
    var autostart = GetAutoStart(key, name);
    return !string.IsNullOrEmpty(autostart) && autostart.Contains(path);
  }

  private static void ResetAutoStart(RegistryKey key, string name, string path)
  {
    if (string.IsNullOrEmpty(path) && IsAutoStartEnabled(key, name, path))
    {
      key.CreateSubKey(RunKeyPath).DeleteValue(name);
    }

    if (!string.IsNullOrEmpty(path) && !IsAutoStartEnabled(key, name, path))
    {
      key.CreateSubKey(RunKeyPath).SetValue(name, path);
    }
  }

  private static string GetAutoStart(RegistryKey key, string name)
  {
    // TODO: 
    // What if the value is not a string and/or is undefined?

    var autostart = (string)key.OpenSubKey(RunKeyPath).GetValue(name);
    return (!string.IsNullOrEmpty(autostart)) ? autostart : string.Empty;
  }
}