public void AboutButtonClick(Office.IRibbonControl control) { var infoText = $"{this.localizationService.Translate("Product Information")}: {this.localizationService.Translate("This is an integration of the two audience response systems ARSnova.voting and ARSnova.click.")}{Environment.NewLine}{Environment.NewLine}" + $"Version: 0.1 (beta){Environment.NewLine}{Environment.NewLine}" + $"{this.localizationService.Translate("License")}: {this.localizationService.Translate("This software is Open Source and licensed with the GNU General Public License Version 3")}"; PopUpWindow.InformationWindow( this.localizationService.Translate("Information"), infoText); }