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OpenWriteCompletedEventArgs Class
.NET Framework 3.0
Provides data for the OpenWriteCompleted event.
Namespace: System.Net
Assembly: System (in system.dll)
Assembly: System (in system.dll)
Instances of this class are passed to OpenWriteCompletedEventHandler methods.
The following code example demonstrates opening a stream to write data to be uploaded.
public static void OpenResourceForPosting (string address) { WebClient client = new WebClient (); Uri uri = new Uri(address); // Specify that the OpenWriteCallback method gets called // when the writeable stream is available. client.OpenWriteCompleted += new OpenWriteCompletedEventHandler (OpenWriteCallback2); client.OpenWriteAsync (uri); // Applications can perform other tasks // while waiting for the upload to complete. }
The following method is called when the stream is available.
private static void OpenWriteCallback2 (Object sender, OpenWriteCompletedEventArgs e) { Stream body = null; StreamWriter s = null; try { body = (Stream)e.Result; s = new StreamWriter (body); s.AutoFlush = true; s.Write ("This is content data to be sent to the server."); } finally { if (s != null) { s.Close (); } if (body != null) { body.Close (); } } }
System.Object
System.EventArgs
System.ComponentModel.AsyncCompletedEventArgs
System.Net.OpenWriteCompletedEventArgs
System.EventArgs
System.ComponentModel.AsyncCompletedEventArgs
System.Net.OpenWriteCompletedEventArgs
Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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