设计模式相关

 public abstract class Entry //表示一个页面元素的抽象类
        {
            public abstract string getName();
            public abstract string getText();
            public void printName()
            {
                printName("");
            }
            protected abstract void printName(string prefix);
        }

public  class Box :Entry    //Box类是表示单个控件的类
        {
            private string name;
            private string text;
            public  Box(string name, string text)
            {
                this.name = name;
                this.text = text;
            }
            public override string  getName()
            {
                return name;
            }
            public override string getText()
            {
                return text;
            }
            protected override void printName(string prefix)
            {
                Console.WriteLine("print "+this.name+"("+this.text+")"); //待改进：可以使用Temolate模式将两个子类的输出形式统一固定在父类中  
            }
        }

 public  class BoxFrame : Entry  //BoxFrame类是表示一个控件集合的类
        {
            private string BoxName;
            private string BoxText;
            private ArrayList dir = new ArrayList();
            public BoxFrame(string BoxName, string BoxText)
            {
                this.BoxName = BoxName;
                this.BoxText = BoxText;
            }
            public override string getName()
            {
                return BoxName;
            }
            public override string getText()
            {
                return BoxText;
            }
            public Entry add (Entry entry)  //add方法可以用于添加BoxFrame类或是Box类
            {
                dir.Add(entry);
                return this;
            }
            protected override void printName(string prefix)
            {
                Console.WriteLine("print " + this.BoxName + "(" + this.BoxText + ")");
                IEnumerator ie = dir.GetEnumerator();
                while (ie.MoveNext())
                {
                    Entry entry = (Entry)ie.Current;
                    entry.printName();
                }
            }
        }

 static void Main(string[] args)
        {
            BoxFrame windir = new BoxFrame("WinForm","WINDOW窗口");
            BoxFrame fradir = new BoxFrame("frame","FRAME1");          
            windir.add(new Box("picture", "LoGo图片"));
            windir.add(new Box("button", "登录"));
            windir.add(new Box("button", "注册"));
            windir.add(fradir);
            fradir.add(new Box("Lable","用户名"));
            fradir.add(new Box("TextBox", "文本框"));
            fradir.add(new Box("Lable", "密码"));
            fradir.add(new Box("PasswordBox", "密码框"));
            fradir.add(new Box("CheckBox", "复选框"));
            fradir.add(new Box("TextBox", "记住用户名"));
            fradir.add(new Box("LinkLable","忘记密码"));
            windir.printName();
            Console.ReadLine();
        }