<PackageReference Include="System.ComponentModel.EventBasedAsync" Version="4.0.11-beta-23409" />

System.ComponentModel.RunWorkerCompletedEventHandler

public sealed delegate RunWorkerCompletedEventHandler : MulticastDelegate
Represents the method that will handle the RunWorkerCompleted event of a BackgroundWorker class.
public RunWorkerCompletedEventHandler(object object, IntPtr method)

public virtual IAsyncResult BeginInvoke(object sender, RunWorkerCompletedEventArgs e, AsyncCallback callback, object object)

public virtual void EndInvoke(IAsyncResult result)

public virtual void Invoke(object sender, RunWorkerCompletedEventArgs e)