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

System.ComponentModel.ProgressChangedEventHandler

Represents the method that will handle the ProgressChanged event of the BackgroundWorker class. This class cannot be inherited.
public ProgressChangedEventHandler(object object, IntPtr method)

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

public virtual void EndInvoke(IAsyncResult result)

public virtual void Invoke(object sender, ProgressChangedEventArgs e)