AU3平台上的PNG按钮，支持边缘隐藏，鼠标移到屏幕边缘显示。请把图片与软件放至同一目录，否则不能看见效果。-PNG button on the AU3 platform to support the edge of hide, mouse over the edge of the screen display. Images and software is put to the same directory, or can not see the results