这是一个继承CDialog类的一个对话框类,其中实现了对话框的动态变动大小,包括对话框上面的按钮随着对话框的变化而变化,非常好的一个,已经实际应用好几次-This is a kind of inheritance CDialog a dialog box category, a dialog box in which to achieve the dynamic changes in the size, including dialog with the top button of the di