BotBuilder-Samples/CSharp/demo-CardsAttachments/public-TestBot/Helpers/CommandsHelper.cs

namespace TestBot.Helpers
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using Autofac;
    using Scorables;

    public static class CommandsHelper
    {
        public static IEnumerable<Type> GetRegistrableTypes()
        {
            return typeof(TriggerScorable)
                .Assembly
                .GetTypes()
                .Where(t => !t.IsAbstract && typeof(TriggerScorable).IsAssignableFrom(t))
                .OrderBy(t => t.Name);
        }

        public static IEnumerable<string> GetValidTriggers(ILifetimeScope scope)
        {
            return CommandsHelper
                .GetRegistrableTypes()
                .Select(t => scope.ResolveKeyed(t.Name, t) as TriggerScorable)
                .Select(c => c.Trigger);
        }
    }
}