private void AddNewDocTypeButton_Click(object sender, RoutedEventArgs e) { DatabaseHandler.CreateNewDocType(NewDocTypeName.Text); NewDocTypeName.Text = ""; TypeTable newType = DatabaseHandler.GetLatestDocumentType(); docTypes.Add(newType); newType.number = docTypes.Count; DocumentTypeList.Items.Refresh(); //TODO UPDATE DOCUMENTS PAGE updateDocumentTypesHandler.Invoke(); }