modernuo/Projects/Server/Prompt.cs

namespace Server.Prompts
{
    public abstract class Prompt
    {
        private static int m_Serials;

        protected Prompt()
        {
            do
            {
                Serial = ++m_Serials;
            } while (Serial == 0);
        }

        public int Serial { get; }

        public virtual void OnCancel(Mobile from)
        {
        }

        public virtual void OnResponse(Mobile from, string text)
        {
        }
    }
}