显示LED灯效果的小控件，设置方便，有灰红绿黄蓝几种颜色，显示大小可以更改。MFC下编写-LED lights show the effect of small controls, set up convenient, there are gray黄蓝several red and green color, indicating the size can be changed. MFC prepared

通过色彩名称添加颜色，不依赖device/decomposition.可通过直接输入如"red""blue"等设置颜色-obtain drawing colors by name and in a device/decomposition independent way

Active Queue Management and red algoritm