Asynchronous Calls:Return Values


/*
A Programmer's Introduction to C# (Second Edition)
by Eric Gunnerson

Publisher: Apress  L.P.
ISBN: 1-893115-62-3
*/
// 29 - Threading and Asynchronous Operations\Asynchronous Calls\Return Values
// copyright 2000 Eric Gunnerson
using System;
using System.Threading;


public class AsynchronousCallsReturnValues
{
    public static void Main()
    {
        AsyncCaller ac = new AsyncCaller();
        
        ac.CallMathCallback(new AsyncCaller.MathFunctionToCall(Math.Sin), 0.0, 1.0, 0.2);
        Thread.Sleep(2000);
    }
}

public class AsyncCaller
{
    public delegate double MathFunctionToCall(double arg);
    
    public void MathCallback(IAsyncResult iar)
    {
        MathFunctionToCall mc = (MathFunctionToCall) iar.AsyncState;
        double result = mc.EndInvoke(iar);
        Console.WriteLine("Function value = {0}", result);
    }
    public void CallMathCallback(MathFunctionToCall mathFunc,
    double start,
    double end,
    double increment)
    {
        AsyncCallback cb = new AsyncCallback(MathCallback);
        
        while (start < end)
        {    
            Console.WriteLine("BeginInvoke: {0}", start);
            mathFunc.BeginInvoke(start, cb, mathFunc);
            start += increment;
        }
    }
}

1.	A synchronized shared buffer implementation
2.	illustrates the use of the Mutex object
3.	Use lock to synchronize access to an object
4.	Another way to use lock to synchronize access to an object
5.	Use Wait() and Pulse() to create a ticking clock
6.	Use MethodImplAttribute to synchronize a method
7.	My Main Class Async Call back
8.	MyMain Class Async Wait Timeout
9.	Threading Class Mutex
10.	Threading and Asynchronous Operations:Access Reordering and Volatile
11.	Asynchronous Calls:A Simple Example 1
12.	Asynchronous Calls:A Simple Example 2
13.	Asynchronous Calls:Waiting for Completion
14.	Asynchronous Calls:Waiting for Completion 2
15.	Data Protection and Synchronization:A Slightly Broken Example

Asynchronous Calls:Return Values : Thread Sync « Thread « C# / C Sharp

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