hanks for downloading this code. This VB Project shows you how to make forms with \"rounded rectangle\" shape. It also shows you how you can reduce the size of your programs with a GUI by using blocks of images and absolutely positioning and stretchi

定义一个名为MyRectangle的矩形，类中有四个私有整型域，分别是矩形的左上角坐标（xUp，yUp）和右下角坐标（xDowm，yDown）；类中定义没有参数的构造方法和有四个int参数的构造方法，用来初始化类对象。(A rectangle named MyRectangle is defined with four private integer domains in the class, the xUp (yUp) of the rectangle, and the xDowm (yDow