DarkEmu_GameServer.Systems.GetFreeSlotMax C# (CSharp) Метод

        public byte GetFreeSlotMax()
        {
            #region Get Max Slots Available
            List<byte> ListSlot = new List<byte>(Character.Information.Slots);
            MsSQL ms = new MsSQL("SELECT * FROM char_items WHERE owner='" + Character.Information.CharacterID + "' AND slot >= '13' AND slot <= '" + Character.Information.Slots + "' AND inavatar='0'");
            using (System.Data.SqlClient.SqlDataReader reader = ms.Read())
            {
                while (reader.Read())
                {
                    ListSlot.Add(reader.GetByte(5));
                }
            }
            ms.Close();
            byte add = 0;
            for (byte i = 13; i < Character.Information.Slots; i++)
            {
                if (!GetCheckFreeSlot(ListSlot, i)) add++;
            }
            return add;
            #endregion
        }

        /////////////////////////////////////////////////////////////////////////////////
        // Move item to exchange slot (Will come when fixing exchange system).
        /////////////////////////////////////////////////////////////////////////////////
        void ItemMoveToExhangePage(byte f_slot)
        {
            #region Move to exchange
            try
            {
                Systems sys = GetPlayer(Character.Network.TargetID);
                if (Character.Network.Exchange.ItemList.Count < 12 && sys.GetFreeSlotMax() > (byte)Character.Network.Exchange.ItemList.Count)
                {
                    Global.slotItem newitem = GetItem((uint)Character.Information.CharacterID, f_slot, 0);

                    LoadBluesid(newitem.dbID);
                    if (newitem.Amount <= Data.ItemBase[newitem.ID].Max_Stack)
                    {
                        Character.Network.Exchange.ItemList.Add(newitem);

                        client.Send(Packet.Exchange_ItemPacket(this.Character.Information.UniqueID, this.Character.Network.Exchange.ItemList, true));
                        sys.Send(Packet.Exchange_ItemPacket(sys.Character.Information.UniqueID, sys.Character.Network.Exchange.ItemList, true));

                        client.Send(Packet.Exchange_ItemSlot(4, f_slot));
                        sys.Send(Packet.Exchange_ItemSlot(4, f_slot));
                    }
                    else
                    {
                        return;
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Exchange add item error: {0}", ex);
            }
            #endregion
        }