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WebClient.DownloadStringCompleted Event

Occurs when an asynchronous resource-download operation completes.

Namespace:  System.Net
Assembly:  System (in System.dll)

public event DownloadStringCompletedEventHandler DownloadStringCompleted

This event is raised each time an asynchronous operation to download a resource as a string completes. These operations are started by calling the DownloadStringAsync methods.

The DownloadStringCompletedEventHandler is the delegate for this event. The DownloadStringCompletedEventArgs class provides the event handler with event data.

For more information about handling events, see Consuming Events.

The following code example demonstrates setting an event handler for this event.

    // Sample call : DownloadStringInBackground2 ("http://www.contoso.com/GameScores.html");
    public static void DownloadStringInBackground2 (string address)
    {
        WebClient client = new WebClient ();
        Uri uri = new Uri(address);

        // Specify that the DownloadStringCallback2 method gets called 
        // when the download completes.
        client.DownloadStringCompleted += new DownloadStringCompletedEventHandler (DownloadStringCallback2);
        client.DownloadStringAsync (uri);
    }

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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