学习VB，Visual Basic的非常好的例子，首发，这是参考windows屏幕保护中的变幻线来编写的，这个没有用到时钟控件数组，所有线都是共用一个时钟控制，所以线多速度也不慢。-Learning VB, Visual Basic is a very good example, the first, which is the reference windows screen saver changes in line to write, this did not use the clock c