Bloom.Publish.PublishView.OnPrint_Click C# (CSharp) Method

        private void OnPrint_Click(object sender, EventArgs e)
        {
            var printSettingsPreviewFolder = FileLocator.GetDirectoryDistributedWithApplication("printer settings images");
            var printSettingsSamplePrefix = Path.Combine(printSettingsPreviewFolder,
                _model.PageLayout.SizeAndOrientation + "-" + (isBooklet() ? "Booklet-" : ""));
            string printSettingsSampleName = null;
            if (SIL.PlatformUtilities.Platform.IsLinux)
            {
                printSettingsSampleName = printSettingsSamplePrefix + "Linux-" + LocalizationManager.UILanguageId + ".png";
                if (!RobustFile.Exists(printSettingsSampleName))
                    printSettingsSampleName = printSettingsSamplePrefix + "Linux-en.png";
            }
            if (printSettingsSampleName == null || !RobustFile.Exists(printSettingsSampleName))
                printSettingsSampleName = printSettingsSamplePrefix + LocalizationManager.UILanguageId + ".png";
            if (!RobustFile.Exists(printSettingsSampleName))
                printSettingsSampleName = printSettingsSamplePrefix + "en" + ".png";
            if (RobustFile.Exists(printSettingsSampleName))
            {
                // We display the _previewBox to show sample print settings. We need to get rid of it when the
                // print dialog goes away. For Windows, the only way I've found to know when that happens is
                // that the main Bloom form gets activated again.  For Linux, waiting for process spawned off
                // to print the pdf file to finish seems to be the only way to know it's safe to hide the
                // sample print settings.  (On Linux/Mono, the form activates almost as soon as the print
                // dialog appears.)
            #if __MonoCS__
                _pdfViewer.PrintFinished += FormActivatedAfterPrintDialog;
            #else
                var form = FindForm();
                form.Activated += FormActivatedAfterPrintDialog;
            #endif
                _previewBox.Image = Image.FromFile(printSettingsSampleName);
                _previewBox.Bounds = GetPreviewBounds();
                _previewBox.SizeMode = PictureBoxSizeMode.Zoom;
                _previewBox.Show();
                if (!Settings.Default.DontShowPrintNotification)
                {
                    using (var dlg = new SamplePrintNotification())
                    {
            #if __MonoCS__
                        _pdfViewer.PrintFinished -= FormActivatedAfterPrintDialog;
                        dlg.ShowDialog(this);
                        _pdfViewer.PrintFinished += FormActivatedAfterPrintDialog;
            #else
                        form.Activated -= FormActivatedAfterPrintDialog; // not wanted when we close the dialog.
                        dlg.ShowDialog(this);
                        form.Activated += FormActivatedAfterPrintDialog;
            #endif
                        if (dlg.StopShowing)
                        {
                            Settings.Default.DontShowPrintNotification = true;
                            Settings.Default.Save();
                        }
                    }
                }
            }
            _pdfViewer.Print();
            Logger.WriteEvent("Calling Print on PDF Viewer");
            _model.ReportAnalytics("Print PDF");
        }