Creating custom AppDomain

CustomAppDomain.cs

public class DomainController
{
  public void CreateDomain()
  {
    string pathToDlls = Path.GetDirectoryName(new Uri(Assembly.GetExecutingAssembly().CodeBase).LocalPath);
    Trace.WriteLine(AppDomain.CurrentDomain.FriendlyName);
    AppDomainSetup domainSetup = new AppDomainSetup {  };
    domainSetup.ApplicationBase = pathToDlls;
    this.testDomain = AppDomain.CreateDomain(Guid.NewGuid().ToString(), null, domainSetup, this.GetPermissionSet());

  }
  
  private PermissionSet GetPermissionSet()
  {
      // create an evidence of type zone
      var ev = new Evidence();
      ev.AddHostEvidence(new Zone(SecurityZone.MyComputer));

      // return the PermissionSets specific to the type of zone
      return SecurityManager.GetStandardSandbox(ev);
  }
}