VC侦测鼠标是否被点击，在主窗口区点击左键，程序检测出你点击了鼠标上的左键，会弹出一个提示，告诉用户。这是VC编程百例中的一个小例子，虽然简单，但参考一下也不枉事。-VC detect whether the mouse is clicked, click the left button in the main window area, the program detects that you clicked on the mouse button, will pop up a prompt that tells the user. This is the VC programing in a small example, although simple, but reference is also worthwhile things.