public async Task SaveAsync() { try { var xml = await Mediator.GetDiagramXML(Id); var newDiagram = DMNProcessDiagram.FromXml(xml); diagramToSave = newDiagram; //Validate Contract.ValidatePotentialDiagram(BusinessActivity, newDiagram); saveIntegrityResult = Contract.AnalyzeIntegrityWhenReplacedWith(BusinessActivity, newDiagram); //Show dialog await saveDialogWindow.OpenAsync(); } catch (Exception e) { alertController.AddAlert("Confirm unsuccessful: " + e.Message, AlertScheme.Danger); } }