VC开发的：OSG中的拾取例子；程序效果：对象随鼠标左键的点击交替显示与隐藏；-development of the VC : OSG pick up the example; Procedures effects : Object With a click the left mouse button and turn revealed hidden;

VC开发的：OSG中的拾取例子；程序效果：对象随鼠标左键的点击交替显示与隐藏；-development of the VC : OSG pick up the example; Procedures effects : Object With a click the left mouse button and turn revealed hidden;