Csharp/C Sharp by API/System.Security.Permissions/PrincipalPolicy

PrincipalPolicy.Union

<source lang="csharp"> using System; using System.Security.Permissions; class MainClass {

   public static void MyMethod() 
   { 
       PrincipalPermission perm1 = new PrincipalPermission(null, @"MACHINE\Managers");
       PrincipalPermission perm2 = new PrincipalPermission(null, @"MACHINE\Developers");
       // Make the demand.
       perm1.Union(perm2).Demand();
   }

}

 </source>