游戏大厅C++教程，里面有个大厅例子，适合有基础的学习。-Game Lobby C++ tutorial, which has a hall of example, suitable for basic learning.

类似于联众的游戏大厅登陆界面，做的是拖拉机（升级）的进入界面，有一个服务器和4个客户端的程序组成，当客户端有人进去之后，会在其他客户端和大厅里面显示有人进入并且可以显示进入者的姓名，亦可以更改位置，当然别人坐着的位置不可更改。-Game is similar to OurGame hall landing interface, so that the tractor (upgrade) the entry interface, there is a server and four client-