tcpipSocket/Chat/Core/Room.cs

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Core
{
	public class Room
	{
		public ConcurrentDictionary<string, string> Users { get; } = new ConcurrentDictionary<string, string>();
	}
}