TESVSnip.Domain.Model.Plugin.UpdateNextFormID C# (CSharp) Method

        public void UpdateNextFormID(uint newid)
        {
            var tes4 = this.Records.OfType<Record>().FirstOrDefault(x => x.Name .StartsWith("TES"));
            if (tes4 != null && tes4.SubRecords.Count > 0)
            {
                var masterCount = tes4.SubRecords.Count(x => x.Name == "MAST");
                var hedr = tes4.SubRecords[0];
                if (hedr.Name == "HEDR" && hedr.Size >= 12)
                {
                    hedr.TrySetValue(8, newid);
                }
            }
        }