DoWorkEventArgs.Result Propiedad

Definición

Obtiene o establece un valor que representa el resultado de una operación asincrónica.Gets or sets a value that represents the result of an asynchronous operation.

public:
 property System::Object ^ Result { System::Object ^ get(); void set(System::Object ^ value); };
public object Result { get; set; }
public object? Result { get; set; }
member this.Result : obj with get, set
Public Property Result As Object

Valor de propiedad

Object

Objeto Object que representa el resultado de una operación asincrónica.An Object representing the result of an asynchronous operation.

Ejemplos

En el ejemplo de código siguiente se muestra cómo utilizar la DoWorkEventArgs clase para controlar el DoWork evento.The following code example demonstrates how to use the DoWorkEventArgs class to handle the DoWork event. Para obtener una lista de código completa, vea Cómo: ejecutar una operación en segundo plano.For a full code listing, see How to: Run an Operation in the Background.

private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
    // Do not access the form's BackgroundWorker reference directly.
    // Instead, use the reference provided by the sender parameter.
    BackgroundWorker bw = sender as BackgroundWorker;

    // Extract the argument.
    int arg = (int)e.Argument;

    // Start the time-consuming operation.
    e.Result = TimeConsumingOperation(bw, arg);

    // If the operation was canceled by the user, 
    // set the DoWorkEventArgs.Cancel property to true.
    if (bw.CancellationPending)
    {
        e.Cancel = true;
    }
}
Private Sub backgroundWorker1_DoWork( _
sender As Object, e As DoWorkEventArgs) _
Handles backgroundWorker1.DoWork

   ' Do not access the form's BackgroundWorker reference directly.
   ' Instead, use the reference provided by the sender parameter.
   Dim bw As BackgroundWorker = CType( sender, BackgroundWorker )
   
   ' Extract the argument.
   Dim arg As Integer = Fix(e.Argument)
   
   ' Start the time-consuming operation.
   e.Result = TimeConsumingOperation(bw, arg)
   
   ' If the operation was canceled by the user, 
   ' set the DoWorkEventArgs.Cancel property to true.
   If bw.CancellationPending Then
      e.Cancel = True
   End If

End Sub   

Se aplica a

Consulte también