一个简单的C#交通信号灯设计，能够根据自己的设计控制时间显示不同的灯，包括红灯、黄灯、绿灯~~相信做交通信号灯或者类似东西的可以用的到！-A simple C# traffic signal designed to control the time according to their own design show a different light, including red, yellow, green ~ ~ I believ