MFC picture控件使用实例，新手必备，可结合opencv使用-example for MFC picture button

example code for opencv with cv button of phillips webcam

实现opencv的回调函数cvSetMouseCallback()的应用实例，鼠标点击后会显示点的坐标，并实现了一个按键，点击按键后有声音。-We provide an opencv example which has implemented the function cvSetMouseCallback(),and a opencv-button is also realized,it phonates when you click on it.