System.Security.PermissionSet.GetPermission C# (CSharp) Method

        public IPermission GetPermission(Type permClass) { return default(IPermission); }
        public PermissionSet Intersect(PermissionSet other) { return default(PermissionSet); }

        internal static void GetZoneAndOriginHelper(PermissionSet grantSet, PermissionSet deniedSet, ArrayList zoneList, ArrayList originList)
        {
            ZoneIdentityPermission zone = (ZoneIdentityPermission)grantSet.GetPermission(typeof(ZoneIdentityPermission));
            UrlIdentityPermission  url  = (UrlIdentityPermission)grantSet.GetPermission(typeof(UrlIdentityPermission));

            if (zone != null)
            {
                zoneList.Add(zone.SecurityZone);
            }

            if (url != null)
            {
                originList.Add(url.Url);
            }
        }