VC4000在WIN7上多个摄像头是无法正常识别的。故经过我的改正，采用多线程，现可正常访问每个摄像头，特分享与此-VC4000 in WIN7 on multiple cameras can not be recognized properly. Therefore, after corrections, multi-threaded, can now normal access to each camera special to share with this

可用于C++或C#等编写界面的小图标。其主要是针对win7环境下的透明图标，非常好用。-Can be used in C++ or C# to write the interface of the small icons. Its main environment for win7 transparent icons, very handy.

摄像头拍照控件试用版，正式版需购买。win7下不会弹视频源选择对话框。-Camera, camera controls trial version, the official version will need to purchase. win7 will not play the video source selection dialog.

修改Qt svg图片显示例程,在label控件中显示，（重写事件过滤器方法实现），环境为ubuntu16.04+Qt5.6.1，例程可以win7+Qt环境下打开编译。-Modify the SVG Qt image display routines, in the label control display, (rewrite the event filter method to achieve), the environment is ubuntu16.04+Qt5.6.1, the rout