Async Delegate Invocation : Delegate Async « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » Delegate Async 




Async Delegate Invocation
 

using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;

public delegate int BinaryOp(int x, int y);

class Program {
    static void Main(string[] args) {
        BinaryOp b = new BinaryOp(Add);
        IAsyncResult iftAR = b.BeginInvoke(1010, null, null);

        while (!iftAR.AsyncWaitHandle.WaitOne(2000true)) {
            Console.WriteLine("Doing more work in Main()!");
        }

        int answer = b.EndInvoke(iftAR);
        Console.WriteLine("10 + 10 is {0}.", answer);
    }

    static int Add(int x, int y) {
        Console.WriteLine("Add() invoked on thread {0}.", Thread.CurrentThread.GetHashCode());
        Thread.Sleep(5000);
        return x + y;
    }
}

 














Related examples in the same category
1.Async Delegates Callback
2.delegate BeginInvoke of IAsyncResult
3.What happens if an unhandled exception is raised in a multicast delegate?
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