利用USB口在Labview中调用API函数实现对摄像，并附带所有使用的ActiveX控件。-The use of USB port in Labview API function calls to achieve the camera, and comes with all the use of ActiveX controls.

一个用c++写的经典的打开usb摄像头的例子， Visual C++ 6.0可直接打开运行-The write a c++ classic example of open usb camera Visual C++ 6.0 can directly open the Run