void ProgressReflector_PositionChanged(object sender, EventArgs e)
 {
     ProgressUpdater.SetProgress(progressReflector.Maximum, progressReflector.Position);
 }
 void InitProgress()
 {
     progressReflector = ReportViewer1.Report.PrintingSystem.ProgressReflector;
     progressReflector.PositionChanged += new EventHandler(ProgressReflector_PositionChanged);
     ProgressUpdater.SetProgress(100, 0);
 }