多播的运用越来越多，可以用在视频等，不过对新手来说，编程后的事情就是测试，发送一个测试多播的软件-multicast use more and more, you can use the video, but right thumb. After the program is to test things, send a multicast testing software

Introduction Do you need a slider but default control looks too simple? I hope this class, CBitmapSlider, can help you. All you have to do is read this article and make a few bitmaps. Features Transparency effect for both channel and thumb