Bob Carboni写的使用透明度、抗锯齿波、窗口区域等技术的按钮控件。Transparent Button with Region and Anti-Aliased Edges-Bob Carboni was the use of transparency, anti-aliasing wave technologies such as the window region of the button control. Transparent Button with Region and An

设计一个模拟石英钟的程序。还可以改变窗体的透明度。-Design an analog quartz procedures. You can also change the form of transparency.