Listing 6-19 extracted from chapter Security

Listing 6-18<     > Listing 6-20

This listing can be compiled with the command line:
csc.exe /target:exe Example_6_19.cs
Errors: 0 Warnings: 0

using System.Security.Permissions;
class Program {
   [PrincipalPermission( SecurityAction.Demand,
                         Role= @"BUILTIN\Administrators")]
   static void Main() {   
      // Here, the principal is an administrator.
   }
}