static void Main(string[] args)
{
Console.WriteLine("***** Simple delegate example *****\n");
// Create a BinaryOp delegate object that "points to" SimpleMath().
SimpleMath m = new SimpleMath();
SimpleDelegate.BinaryOp b = new SimpleDelegate.BinaryOp(m.Add);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine($"10 + 10 is {b(10, 10)}");
DisplayDelegateInfo(b);
Console.ReadLine();
}
static void Main(string[] args) {
BinaryOp b = new BinaryOp(SimpleMath.Add);
Console.WriteLine("10 + 10 is {0}", b(10,10));
Console.WriteLine("10 + 10 is {0}", b.Invoke(10, 10)); //Also ok
Console.WriteLine();
DisplayDelegateInfo(b);
SimpleMath m = new SimpleMath();
BinaryOp bInst = new BinaryOp(m.Subtract);
DisplayDelegateInfo(bInst);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
Console.WriteLine("10 + 10 is {0}", b(10, 10));
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("**** Simple Delegates Examples ****");
//Create a BinaryOp delegate object that
//points to simpleMath.Add()
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
//Invoke Add() method indirectly using delegate object
Console.WriteLine($"10 + 10 = {b(10,10)}");
Console.WriteLine();
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("**** Simple delegate example ****");
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
Console.WriteLine("10 + 10 = {0}", b(10, 10));
Console.WriteLine();
DisplayDelegateInfo(b);
//BinaryOp b2 = new BinaryOp(SimpleMath.SquareNumber); // Can't be compiled
Console.WriteLine();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Create a BinaryOp delegate object that
// "points to" SimpleMath.Add().
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
DisplayDelegateInfo(b);
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Create a BinaryOp object that
// 'points to' SimpleMath.Add()
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
// Show information about this object.
DisplayDelegateInfo(b);
// Invoke Add() method using delegate.
Console.WriteLine("\n10 + 10 is {0}", b(10, 10));
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// .NET delegates can also point to instance methods as well.
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
// Error! Method does not match delegate pattern!
// BinaryOp b2 = new BinaryOp(SimpleMath.SquareNumber);
// Invoke Add() method using delegate.
Console.WriteLine("10 + 10 is {0}", b.Invoke(10, 10));
DisplayDelegateInfo(b);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****");
SimpleMath m = new SimpleMath();
//创建一个指向SimpleMath.Add()方法的BinaryOp对象
BinaryOp b1 = new BinaryOp(SimpleMath.Add); //指向静态方法
//.NET委托也可以指向实例方法
BinaryOp b2 = new BinaryOp(m.Subtract); //指向非静态方法
DisplayDelegateInfo(b1); //这行代码的结果没有显示Type Name是因为b1委托指向静态方法，所以没有对象被引用
DisplayDelegateInfo(b2);
//使用委托对象间接调用Add()方法
Console.WriteLine("10+10 is {0}", b1(10, 10));//Invoke()在这里被调用了,也可显式调用Invoke(),如：b.Invoke(10,10)
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// .NET delegates can also point to instance methods as well.
SimpleMath m = new SimpleMath();
// Create a BinaryOp delegate object that
// "points to" SimpleMath.Add().
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
Console.WriteLine();
// Invole Add() method indireclty using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
Console.WriteLine();
}
static void Main( string[] args )
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Create a BinaryOp delegate object that
// "points to" SimpleMath.Add().
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
// Compiler error! Method does not match delegate pattern!
// BinaryOp b2 = new BinaryOp(SimpleMath.SquareNumber);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("*****Simple Delegate Example * ****\n");
// Создать объект делегата BinaryOp, который "указывает" на SimpleMath.Add()
//BinaryOp b = new BinaryOp(SimpleMath.Add);
// Делегаты .NET могут также указывать на методы экземпляра.
SimpleMath simpleMath = new SimpleMath();
BinaryOp b = new BinaryOp(simpleMath.Add);
// Вывести сведения об объекте
DisplayDelegateInfo(b);
// Вызвать метод Add() косвенно с использованием объекта делегата.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
Console.WriteLine("10 + 10 is {0}", b.Invoke(10, 10));
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// 创建一个指向SimpleMath.Add()方法的BinaryOp对象
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
// 使用委托对象间接调用Add()方法
// Invoke()在这里被调用了
Console.WriteLine("10 + 10 is {0}", b.Invoke(10, 10));
// 编译器错误!方法不匹配委托的模式
//BinaryOp b2 = new BinaryOp(SimpleMath.SquareNumber);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Create a BinaryOp delegate object that
// "points to" SimpleMath.Add().
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
// Compiler error! Method does not match delegate pattern!
// BinaryOp b2 = new BinaryOp(SimpleMath.SquareNumber);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
////create a BinaryOp delegate obj that POINTS to SimpleMath.Add
////using STATIC in the methods the delegate is pointing to
//BinaryOp b = new BinaryOp(SimpleMath.Add);
//DisplayDelegateInfo(b);
////Invoke Add() indirectly via delegate
//Console.WriteLine("10 + 10 is {0}", b(10,10));
//not using STATIC in the methods the delegate points to
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
//show info about instantiated object (m)
DisplayDelegateInfo(b);
Console.WriteLine("10 + 10 is {0}", b(10,10));
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Ошибка! Метод не может быть вызван через данный деоегат!
// BinaryOp b2 = new BinaryOp(SimpleMath.SquareNumber);
// Делегаты .NET могут также указывать на методы экземпляров.
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
// Вызовем метод Add() косвенным образом, используя делегат.
Console.WriteLine("10 + 10 is {0}", b.Invoke(10, 10));
BinaryOp b2 = new BinaryOp(m.Subtract);
Console.WriteLine("10 - 10 is {0}", b2.Invoke(10, 10));
Console.ReadLine();
}
static void Main( string[] args )
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Create a BinaryOp delegate object that
// "points to" SimpleMath.Add().
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
DisplayDelegateInfo(b);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
b = new BinaryOp(m.Subtract);
DisplayDelegateInfo(b);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 - 10 is {0}", b(10, 10));
// Compiler error! Method does not match delegate pattern!
BinaryOpTest b2 = new BinaryOpTest(m.SquareNumber);
DisplayDelegateInfo(b2);
Console.WriteLine("10 * 10 is {0}", b2(10));
SimpleMath sm = new SimpleMath();
BinaryOp bTest = delegate(int x, int y)
{
return y + x;
};
Console.WriteLine("10 + 10 is {0}", bTest(10,10));
bTest = (x, y) => y + x;
Console.WriteLine("10 + 10 is {0}", bTest(10, 10));
SimpleMath math = new SimpleMath();
//math.TestHandler += new SimpleMath.TestEvent();
Console.ReadLine();
}