public override void AddPermissions(string[] Permissions)
 {
     foreach (string sPermission in Permissions)
     {
         if (!BuiltInPermissions.Contains(sPermission))
         {
             DefinedPermissions.AddPermission(sPermission);
         }
     }
 }
 public override bool ContainsPermission(string sPermission)
 {
     return(DefinedPermissions.Contains(sPermission) ||
            BuiltInPermissions.Contains(sPermission));
 }