PackageExplorerViewModel.PackageViewModel.AddNewFolderExecute C# (CSharp) Méthode

        private void AddNewFolderExecute(object parameter)
        {
            PackageFolder folder = (parameter ?? SelectedItem) as PackageFolder;
            string folderName = "NewFolder";
            bool result = UIServices.OpenRenameDialog(folderName, out folderName);
            if (result) {
                folder.AddFolder(folderName);
            }
        }