static void Main(string[] args)
{
// 创建委托对象1，绑定一个静态方法
DelegateTest dtstatic = new DelegateTest(methodStatic);
// 创建委托对象2，绑定一个实例方法
DelegateTest dtinstance = new DelegateTest(new Captal8_Delegate_04DelegateChain().methodInstance);
// 创建一个委托对象，并绑定委托对象1，使用"+"添加委托对象2，成为委托链
DelegateTest delegateChain = dtstatic;
delegateChain += dtinstance;
// 调用委托对象
delegateChain.Invoke();
Console.WriteLine();
Console.WriteLine("从委托链上移除静态方法后：");
// 从委托链上移除静态方法
delegateChain -= dtstatic;
delegateChain.Invoke();
Console.ReadKey();
}
static void Main(string[] args)
{
// 用静态方法来实例化委托
DelegateTest dtstatic = new DelegateTest(Program.method1);
DelegateTest dtinstance = new DelegateTest(new Program().method2);
// 定义一个委托对象，一开始初始化为null，就是不代表任何方法（我就是我，我不代表任何人）
DelegateTest delegatechain = null;
// 使用+符号链接委托，链接多个委托后就成为委托链了
delegatechain += dtstatic;
delegatechain += dtinstance;
Console.WriteLine("delegatechain's number methods : " + delegatechain.GetInvocationList().Length);
// 使用-运算符把dtstatic委托从委托链中移除
delegatechain -= dtstatic;
// 调用委托链
delegatechain.Invoke();
Console.Read();
}
static void Main(string[] args)
{
DelegateTest funcRef = new DelegateTest(Test);
Test("1");
funcRef.Invoke("2");
DelegateTest funcRef2 = Test;
funcRef2 += Test2;
funcRef2.Invoke("2");
BeregnerDelegate beregner = Add;
beregner += Sub;
Console.ForegroundColor = ConsoleColor.Yellow;
foreach (var f in beregner.GetInvocationList())
{
Console.WriteLine(f.DynamicInvoke(5, 5));
}
Console.WriteLine();
var fu = FindFunktion();
Console.WriteLine(fu(5, 5));
Console.WriteLine(FindFunktion()(4, 4));
//
Action <string> minA = Test;
minA += Test2;
minA("xfljldjdkjfg");
Action <string, int, DateTime> minB;
// sidste args definerer returtypen
Func <int, int, int> MinBeregner = Add;
MinBeregner(5, 4);
Predicate <int> testp = (i) => i < 10;
var e = testp(1);
Hund h = new Hund();
System.IO.FileSystemWatcher fw
= new System.IO.FileSystemWatcher(@"c:\temp");
//fw.Created += Fw_Created;
fw.Created += (sender, evt) => {
Console.WriteLine(evt.FullPath);
};
fw.EnableRaisingEvents = true;
//do
//{
//} while (true);
Console.ForegroundColor = ConsoleColor.Yellow;
Hund g = new Hund();
//g.PropertyChanged += G_PropertyChanged;
//g.PropertyChanged += delegate (object se, MyEventArgs ev) {
// Console.WriteLine("Egenskab rettet " + ev.PropName);
//};
g.PropertyChanged += (object se, MyEventArgs ev) => {
Console.WriteLine("Egenskab rettet " + ev.PropName);
};
g.Name = "1";
g.Name = "2";
g.Name = "3";
g.Age = 10;
}