模仿Vista程序，很经典的小程序，但存在问题，希望高手改正：控件如果不是矩形的话表现不好，而且只能是黑色才能透明，白色怎么设置-Mimic Vista program, it is a classic small procedure, but there are problems, I hope you correct: control, if not, then the performance of the rectangular well, and can only be transpar