WebClient.UploadFileCompleted Evento

Definição

Ocorre quando uma operação de upload de arquivo assíncrono é concluída.Occurs when an asynchronous file-upload operation completes.

public:
 event System::Net::UploadFileCompletedEventHandler ^ UploadFileCompleted;
public event System.Net.UploadFileCompletedEventHandler? UploadFileCompleted;
public event System.Net.UploadFileCompletedEventHandler UploadFileCompleted;
member this.UploadFileCompleted : System.Net.UploadFileCompletedEventHandler 
Public Custom Event UploadFileCompleted As UploadFileCompletedEventHandler 
Public Event UploadFileCompleted As UploadFileCompletedEventHandler 

Tipo de evento

UploadFileCompletedEventHandler

Exemplos

O exemplo de código a seguir demonstra a definição de um manipulador de eventos para esse evento.The following code example demonstrates setting an event handler for this event.

// Sample call: UploadFileInBackground2("http://www.contoso.com/fileUpload.aspx", "data.txt")
void UploadFileInBackground2( String^ address, String^ fileName )
{
   WebClient^ client = gcnew WebClient;
   Uri ^uri = gcnew Uri(address);

   client->UploadFileCompleted +=
     gcnew UploadFileCompletedEventHandler (UploadFileCallback2);

   // Specify a progress notification handler.
   client->UploadProgressChanged +=
       gcnew UploadProgressChangedEventHandler( UploadProgressCallback );
   client->UploadFileAsync( uri, "POST", fileName );
   Console::WriteLine( "File upload started." );
}
// Sample call: UploadFileInBackground2("http://www.contoso.com/fileUpload.aspx", "data.txt")
public static void UploadFileInBackground2(string address, string fileName)
{
    WebClient client = new WebClient();
    Uri uri = new Uri(address);

    client.UploadFileCompleted += new UploadFileCompletedEventHandler(UploadFileCallback2);

    // Specify a progress notification handler.
    client.UploadProgressChanged += new UploadProgressChangedEventHandler(UploadProgressCallback);
    client.UploadFileAsync(uri, "POST", fileName);
    Console.WriteLine("File upload started.");
}
'  Sample call: UploadFileInBackground2("http:' www.contoso.com/fileUpload.aspx", "data.txt")
Public Shared Sub UploadFileInBackground2(ByVal address As String, ByVal fileName As String)

    Dim client As WebClient = New WebClient()
                Dim uri as Uri =  New Uri(address)
    AddHandler client.UploadFileCompleted, AddressOf UploadFileCallback2

    '  Specify a progress notification handler.
    AddHandler client.UploadProgressChanged, AddressOf UploadProgressCallback
    client.UploadFileAsync(uri, "POST", fileName)
    Console.WriteLine("File upload started.")
End Sub

Comentários

Esse evento é gerado cada vez que uma operação de carregamento de arquivo assíncrono é concluída.This event is raised each time an asynchronous file upload operation completes. Os carregamentos de arquivo assíncronos são iniciados chamando os UploadFileAsync métodos.Asynchronous file uploads are started by calling the UploadFileAsync methods.

O UploadFileCompletedEventHandler é o delegado para este evento.The UploadFileCompletedEventHandler is the delegate for this event. A UploadFileCompletedEventArgs classe fornece o manipulador de eventos com dados de evento.The UploadFileCompletedEventArgs class provides the event handler with event data.

Para obter mais informações sobre como lidar com eventos, consulte manipulando e gerando eventos.For more information about how to handle events, see Handling and Raising Events.

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