纯MFC做的放大镜小例子，VC6,VS2010可以编译运行，支持自定义，支持当前鼠标位置放大，和当前放大窗口位置放大，圆形窗口，双缓冲绘图，有悬浮透明提示窗口，改变了传统的放大镜的实现，完全是自己的创意，希望大家喜欢，抗锯齿可以使用GDI+技术或PNG图解决，已测试。

　　按ESC或双击放大镜可退出程序。-The the pure MFC do the magnifying glass small example, VC6, VS2010 can compile and run support custom support current mouse position zoom zoom zoom window position and the current round window, double-buffered graphics, suspended transparent prompt window, change the traditional the realization of a magnifying glass, is entirely their own creativity, hope you like, anti-aliasing can to use GDI+ or PNG Figure resolved, have been tested. Press ESC or double-click the magnifying glass to exit the program.