BackgroundWorker.ProgressChanged Event
Definition
Important
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Occurs when ReportProgress(Int32) is called.
public:
event System::ComponentModel::ProgressChangedEventHandler ^ ProgressChanged;public event System.ComponentModel.ProgressChangedEventHandler ProgressChanged;public event System.ComponentModel.ProgressChangedEventHandler? ProgressChanged;member this.ProgressChanged : System.ComponentModel.ProgressChangedEventHandler Public Custom Event ProgressChanged As ProgressChangedEventHandler Event Type
Examples
The following code example demonstrates the use of the ProgressChanged event to report the progress of an asynchronous operation to the user. This code example is part of a larger example provided for the BackgroundWorker class.
// This event handler updates the progress bar.
void backgroundWorker1_ProgressChanged( Object^ /*sender*/, ProgressChangedEventArgs^ e )
{
this->progressBar1->Value = e->ProgressPercentage;
}
// This event handler updates the progress bar.
private void backgroundWorker1_ProgressChanged(object sender,
ProgressChangedEventArgs e)
{
this.progressBar1.Value = e.ProgressPercentage;
}
' This event handler updates the progress bar.
Private Sub backgroundWorker1_ProgressChanged( _
ByVal sender As Object, ByVal e As ProgressChangedEventArgs) _
Handles backgroundWorker1.ProgressChanged
Me.progressBar1.Value = e.ProgressPercentage
End Sub
Remarks
This event is raised when you call the ReportProgress method.
For more information about how to handle events, see Handling and Raising Events.
Applies to
See also
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