ModernUO/Projects/Server/Menus/ItemListMenu.cs

using Server.Network;

namespace Server.Menus.ItemLists
{
    public class ItemListEntry
    {
        public ItemListEntry(string name, int itemID, int hue = 0)
        {
            Name = name?.Trim() ?? "";
            ItemID = itemID;
            Hue = hue;
        }

        public string Name { get; }

        public int ItemID { get; }

        public int Hue { get; }
    }

    public class ItemListMenu : IMenu
    {
        private static int m_NextSerial;

        public ItemListMenu(string question, ItemListEntry[] entries)
        {
            Question = question.Trim();
            Entries = entries;

            do
            {
                Serial = m_NextSerial++;
                Serial &= 0x7FFFFFFF;
            } while (Serial == 0);

            Serial = (int)((uint)Serial | 0x80000000);
        }

        public string Question { get; }

        public ItemListEntry[] Entries { get; set; }

        public int Serial { get; }

        public int EntryLength => Entries.Length;

        public virtual void OnCancel(NetState state)
        {
        }

        public virtual void OnResponse(NetState state, int index)
        {
        }

        public void SendTo(NetState state)
        {
            state.AddMenu(this);
            state.SendDisplayItemListMenu(this);
        }
    }
}