예제 #1
0
        void SaveAsText_BackgroundEventHandler(object sender, System.ComponentModel.DoWorkEventArgs e)
        {
            try
            {
                BackgroundWorker backgroundWorker = sender as BackgroundWorker;

                List <string> arguments         = e.Argument as List <string>;
                string        exportPath        = arguments.ElementAt(0);
                string        format            = arguments.ElementAt(1);
                List <string> selectedCountries = arguments.GetRange(2, arguments.Count - 2);

                int actionCounter = 0;
                foreach (string countryShortName in selectedCountries)
                {
                    if (backgroundWorker.CancellationPending)
                    {
                        e.Cancel = true; return;
                    }                                                                      //user pressed Cancel button
                    backgroundWorker.ReportProgress(Convert.ToInt32((actionCounter++ + 1) / (selectedCountries.Count * 1.0) * 100.0));

                    bool success = (format == textFormat) ?
                                   CountryAdministrator.SaveAsTabDelimitedTextFile(exportPath, countryShortName) :
                                   CountryAdministrator.SaveWithLineBreaks(exportPath, countryShortName);
                    if (!success)
                    {
                        e.Result = false;
                        e.Cancel = true;
                        return;
                    }
                }
                e.Result = true;
            }
            catch (Exception exception)
            {
                e.Result = false;
                e.Cancel = true;
                UserInfoHandler.ShowException(exception);
            }
        }