李博轩的界面编程里 按钮的一个例子，通过区域，可以绘制任何形状的按钮，我个人非常喜欢，初学者看它就可以对按钮重绘入门了-Li Boxuan button interface programming in an example, through regional, you can draw any shape of button, I personally very much like a beginner it can be started on the button to redraw the