System.IAsyncResult Interface
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Represents the status of an asynchronous operation.

  • Namespace: System
  • First seen in: .NET v1.0.3705
  • Last seen in: .NET v1.1.4322
  • Last changed in: .NET v1.0.3705
  • Assembly: mscorlib.dll

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    Articles

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    .NET Delegates: A C# Bedtime Story
    Sells Brothers
    Once upon a time, in a strange land south of here, there was a worker named Peter. He was a diligent worker who would readily accept requests from his boss. However, his boss was a mean, untrusting man who insisted on steady progress reports. Since Peter did not want his boss standing in his office looking over his shoulder, Peter promised to notify his boss whenever his work progressed.
    .NET My Services and Visual Studio .NET
    MSDN
    Visual Studio .NET allows you to create .NET My Services clients quickly and easily by handling the actual interaction with the Web Service on your behalf, allowing you to maintain a high-level view of your application and not have to dig down into the actual XML data that's being passed around. In order to appreciate the value that Visual Studio .NET brings to the development process, it helps to take a closer look at the protocols used by .NET My Services and other Web Services, and the costs of handling these protocols manually.
    Advanced Asynchoronous WebServices
    The Code Project
    Advanced asynchoronous WebServices.
    Ask the DotNetJunkies: Consuming Remote Web Services in ASP.NET
    DotNetJunkies
    Is there any way one can call web services remotely? Suppose I have a web service which returns a DataSet. I want to call this web service from another URL and use the returned DataSet to display or enter it into my database. - The .NET Framework has made creating and consuming web services quite easy for developers. Using built in technology you can create a function, declare it as a WebMethod and you have a web service. On the other side of that, consuming web services is just as easy.
    ASP.NET Web Service
    The Code Project
    We can now use ASP.NET to create Web Service that is based on industrial standards included XML, SOAP and WSDL. This is a basic introduction to building Web services.
    Asynchronous Command Execution in ADO.NET 2.0
    MSDN
    Get an overview of the new asynchronous execution functionality in ADO.NET 2.0, the scenarios it was developed to enable, plus some of the issues to keep in mind when using this feature.
    Asynchronous Delegates in VB
    STANDARDIO.ORG
    My last article demonstrated the basics of using delegates. In this article, I will demonstrate using asynchronous delegates. Calling delegates asynchronously allows your program to continue with other tasks while waiting for the results of the delegate. Asynchronous delegates can be used in two distinct ways: polling and callbacks. To call an asynchronous delegate you create an instance of a delegate and call the BeginInvoke method. The BeginInvoke method returns an IAsychResult object that you can monitor for the delegates completion. When the IAsychResult.IsCompleted property is true, the delegate has completed its task. Call the EndInvoke method to get the delegates output and return values.Here is a simple delegate polling example in a console application:
    Authentication of a Web Service Using Microsoft .NET Passport
    MSDN
    This article discusses the issues encountered during the development of the authentication component for the ColdStorage sample Web services
    Avoid This Web Services Gotcha
    Visual Studio Magazine
    When they first use Web Services, many developers begin to think of innovative ways to use them in an asynchronous fashion. There is one big "gotcha," however, that most developers will hit the first time they try this. When using with Web Services, you have to realize that when code is executing in your callback, you are likely to be on a different thread than your user interface code.
    Bi-directional HTTP Connection
    The Code Project
    An article about bi-directional communication using a single open connection.
    Blog Reader Add-In for Visual Studio .NET
    The Code Project
    A blog reader, integrated into Visual Studio. Shows a list of blogs, blog entries, and which entries you haven’t read yet
    Building a real-life web-experience : Don´t trip over the threads.
    DotNetJunkies
    In my previous contribution I took a look at calling web-services. There I showed how to asynchronously invoke a web-service from a Windows form. Behind the scenes the project involved a lot of threading issues. The .NET framework is very good at handling these but there is one thing I overlooked. In this paper I will dive deeper into the matter and build build a more complicated service which serves jpeg pictures. A windows form consumer will make asynchronous invocations of the web-service to
    C# 2.0: Create Elegant Code with Anonymous Methods, Iterators, and Partial Classes
    MSDN
    Take a sneak peek at the most important new language features in C# 2.0, including anonymous methods, iterators, partial classes, and more.
    C# TELNET Client
    C# Help
    The telnet application makes use of Callback Function to recieve data from a socket in asyncronous mode.
    Check Your Email With Style - Updated
    DotNetJunkies
    Have you ever wanted to write your own POP3 email client? Well now you can with the help of my C# example. This article explains how to use .NET to connect to a POP3 mail server, and the different commands to use with the server to get the results you want.
    COM+ Subscription Viewer
    The Code Project
    This sample shows how to retrieve a subscriptions registered in the Event System store using C#.
    Consuming an XML Web Service
    DotNetJunkies
    An XML Web Service consumer is an application that invokes the methods of an XML Web Service made available by a provider; the consumer feeds on the data derived from the XML Web Service provider. A consumer application may be another Web application, XML Web Service, Windows desktop application, or any other type of application with access to the XML Web Service using HTTP.
    Consuming an XML Web Service
    DotNetJunkies
    An XML Web Service consumer is an application that invokes the methods of an XML Web Service made available by a provider; the consumer feeds on the data derived from the XML Web Service provider. A consumer application may be another Web application, XML Web Service, Windows desktop application, or any other type of application with access to the XML Web Service using HTTP.
    Create a DotNet TCP/IP Client Class Using Asynchronous Delegates
    STANDARDIO.ORG
    In this article, I will demonstrate how manage a DotNet client connection to a TCPIP address and port. All of the necessary components are located under the System.Net.Sockets namespace. We will use the TCPClient and NetworkStream classes to accomplish the task.
    Creating a Multi-User TCP Chat Application
    MSDN
    The .NET support for socket-based programming within Visual Basic is dramatically improved over what we had in Visual Basic 6. So even though we approach the programming issue somewhat differently, it is worth it due to all the new capabilities at our disposal.
    Creating and Consuming .NET Web Services in Five Easy Steps
    DotNetJunkies
    Dimitrios promises this article will have you creating and consuming a data driven .NET XML Web Service in no time flat with an example providing a list of suppliers to a given country. All in five quick and easy steps!
    Dr. GUI.NET #7
    MSDN
    In this article Dr GUI discusses how file and console I/O is achieved in .NET. The article includes a detailed discussion on streams.
    Evolution of the SQL Server Programming Model from ADO to ADO.NET 2.0
    MSDN
    Get an annotated overview of the data access layers that work with SQL Server, including ADO, the XML interface of SQL Server 2000 (SQLXML), ADO.NET, and the upcoming ADO.NET 2.0.
    Exploring Delegates
    C# Corner
    Delegates are a kind of type safe function pointers which are actually declared as class derived from System.MulticastDelegate.
    How to handle events during a web service call ?
    The Code Project
    c#-class that allows to run web service asynchronous to handle events during them
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