MFC的一个LED灯。可以修改色彩，形状，控制闪烁间隔时间。原代码是CodeProject上的，有内存泄露。现已经修复泄露问题。-MFC, a LED lamp. Can modify the color, shape, control the blinking interval. The original code is on CodeProject, there are memory leak. Leakage problems have been repaired now.