Async File Stream : Asynchronous Input Output « File Directory Stream « C# / CSharp Tutorial

Home
C# / CSharp Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statement
5.String
6.struct
7.Class
8.Operator Overload
9.delegate
10.Attribute
11.Data Structure
12.Assembly
13.Date Time
14.Development
15.File Directory Stream
16.Preprocessing Directives
17.Regular Expression
18.Generic
19.Reflection
20.Thread
21.I18N Internationalization
22.LINQ
23.GUI Windows Forms
24.Windows Presentation Foundation
25.Windows Communication Foundation
26.Workflow
27.2D
28.Design Patterns
29.Windows
30.XML
31.XML LINQ
32.ADO.Net
33.Network
34.Directory Services
35.Security
36.unsafe
C# / C Sharp
C# / C Sharp by API
C# / CSharp Open Source
C# / CSharp Tutorial » File Directory Stream » Asynchronous Input Output 
15.39.3.Async File Stream
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.IO;

class Program {
    static void Main(string[] args) {
        Console.WriteLine("Main thread started. ThreadID = {0}", Thread.CurrentThread.GetHashCode());
        FileStream fs = new FileStream("logfile.txt", FileMode.Append, FileAccess.Write, FileShare.None, 4096true);
        string msg = "this is a test";
        byte[] buffer = Encoding.ASCII.GetBytes(msg);
        fs.BeginWrite(buffer, 0, buffer.Length, new AsyncCallback(WriteDone), fs);
    }

    private static void WriteDone(IAsyncResult ar) {
        Console.WriteLine("AsyncCallback method on ThreadID = {0}", Thread.CurrentThread.GetHashCode());

        Stream s = (Stream)ar.AsyncState;
        s.EndWrite(ar);
        s.Close();
    }
}
15.39.Asynchronous Input Output
15.39.1.Asynchronous I/O
15.39.2.Asynchronous I/O, some blocking on the main thread
15.39.3.Async File Stream
15.39.4.Asynchronous IO with AsyncCallback
15.39.5.Async FileStream demo
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.