WPF深入浅出学习笔记.docxVIP

XmlDocument读取xml文件RawData.xml?xml version=1.0 encoding=utf-8 ?StudentList Student Id=1 NameTim/Name /Student Student Id=2 NameTom/Name /Student Student Id=3 NameVina/Name /Student Student Id=4 NameEmily/Name /Student/StudentListXmlDocument doc = newXmlDocument(); doc.Load(../../RawData.xml);//采用相对路径按钮虚函数OnClick与Button_OnClick事件函数第一种：namespace MyRoutedEvent{classTimeButton:Button {protectedoverridevoid OnClick()//子类重新实现虚函数 {MessageBox.Show(111); } }}第二种：namespace MyRoutedEvent{publicpartialclassMainWindow : Window {public MainWindow() { InitializeComponent(); }privatevoid TimeButton_OnClick(object sender, RoutedEventArgs e)//按钮点击事件 {MessageBox.Show(222); } }}第一种会拦截第二种的响应委托与事件委托是类类型，委托声明的变量==函数==事件1、给委托变量赋值GreetingDelegate greeting = ChineseGreeting;或者GreetingDelegate greeting = new GreetingDelegate(ChineseGreeting);2、给方法传递方法参数GreetPeople(张蔷, ChineseGreeting);完整代码如下：namespace MyDelegate{classProgram {publicdelegatevoidGreetingDelegate(string name);privatestaticvoid ChineseGreeting(string name) {Console.WriteLine(早上好, + name); }privatestaticvoid EnglishGreeting(string name) {Console.WriteLine(早上好, + name); }privatestaticvoid GreetPeople(string name, GreetingDelegate greeting)//用方法作为参数 { greeting(name); }staticvoid Main(string[] args) {GreetingDelegate greeting = ChineseGreeting;//或者GreetingDelegate greeting = new GreetingDelegate(ChineseGreeting); greeting(张蔷); GreetPeople(张蔷, ChineseGreeting); }}非空件对象的属性作为Binding的Path1、Student:INotifyPropertyChangedWindow x:Class=SimpleBinding.MainWindow xmlns=/winfx/2006/xaml/presentation xmlns:x=/winfx/2006/xaml Title=Simple Binding Height=110 Width=300StackPanelTextBox x:Name=textBoxName BorderBrush=Black Margin=5/Button Content=Add Age Margin=5 Click=Button_Click//StackPanel/Window//Student.csnamespace SimpleBindin