myeventhandler.cs

private delegate void MyEventHandler();

private void DownloadUpdates(MyEventHandler OnUpdate, MyEventHandler OnFinish)
{
    try
    {
        SetProgress(5);
        MessageLabel.Do(ctl => ctl.Text = AvailableUpdate.DownloadingUpdateLabelText);
        //software updates always take precedence over data updates
        SetProgress(50);
        OnUpdate();
        SetProgress(100);
        OnFinish();
    }
    catch (Exception e)
    {
	// error handler code here
    }
}