Передача обработчиков событий в конструктор

public class WasInfoBuilder
{
 
public BackgroundWorker BuildApplicationAllInfoBackgroundWorker { get; set; }
 
public WasInfoBuilder()
        {
            BuildApplicationAllInfoBackgroundWorker = new BackgroundWorker();
            BuildApplicationAllInfoBackgroundWorker.WorkerReportsProgress = true;
            BuildApplicationAllInfoBackgroundWorker.DoWork += BuildApplicationAllInfoBackgroundWorker_DoWork;
        }
 
private void BuildApplicationAllInfoBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
...
BuildApplicationAllInfoBackgroundWorker.ReportProgress(10, "- Этап 1");
...
BuildApplicationAllInfoBackgroundWorker.ReportProgress(20, "- Этап 2");
...
}
 
public void BuildApplicationAllInfo()
        {
            BuildApplicationAllInfoBackgroundWorker.RunWorkerAsync();
        }
 
}

private void UpdateWasInfo()
        {
            WasInfoBuilder wasInfoBuilder = new WasInfoBuilder();
            wasInfoBuilder.BuildApplicationAllInfoBackgroundWorker.ProgressChanged += BackgroundWorker_ProgressChanged;
            wasInfoBuilder.BuildApplicationAllInfoBackgroundWorker.RunWorkerCompleted += BackgroundWorker_RunWorkerCompleted;
            wasInfoBuilder.BuildApplicationAllInfo();
        }
 
private void BackgroundWorker_ProgressChanged(object sender, System.ComponentModel.ProgressChangedEventArgs e)
        {
            ProgressUserControl.ProgressBar.Value = e.ProgressPercentage;
            ProgressUserControl.LogTextBox.AppendText(e.UserState + "\r\n");
        }

        public WasInfoBuilder(ProgressChangedEventHandler progressHandler)
        {
            BuildApplicationAllInfoBackgroundWorker = new BackgroundWorker();
            BuildApplicationAllInfoBackgroundWorker.WorkerReportsProgress = true;
            BuildApplicationAllInfoBackgroundWorker.ProgressChanged += progressHandler;
            //...
        }