OpenReadCompletedEventHandler Delegate
Assembly: System (in system.dll)
public delegate void OpenReadCompletedEventHandler ( Object sender, OpenReadCompletedEventArgs e )
/** @delegate */ public delegate void OpenReadCompletedEventHandler ( Object sender, OpenReadCompletedEventArgs e )
JScript supports the use of delegates, but not the declaration of new ones.
Parameters
- sender
The source of the event.
- e
A OpenReadCompletedEventArgs containing event data.
The following code example demonstrates downloading a resource for reading.
public static void OpenResourceForReading2 (string address) { WebClient client = new WebClient (); Uri uri = new Uri(address); client.OpenReadCompleted += new OpenReadCompletedEventHandler(OpenReadCallback2); client.OpenReadAsync (uri); }
The following method is called when the download completes.
public static void OpenReadCallback2 (Object sender, OpenReadCompletedEventArgs e) { Stream reply = null; StreamReader s = null; try { reply = (Stream)e.Result; s = new StreamReader (reply); Console.WriteLine (s.ReadToEnd ()); } finally { if (s != null) { s.Close (); } if (reply != null) { reply.Close (); } } }
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.