public void Execute(object parameter)
 {
     _canExecute = false;
     var flvm = (FolderListVM)parameter;
     if (!string.IsNullOrEmpty(flvm.FolderToCreate))
     {
         var fs = new FileServiceClient();
         fs.CreateFolderCompleted += (sender, args) => flvm.CommandLoadFolders.Execute(flvm);
         fs.CreateFolderAsync(Path.Combine(flvm.ClientRepository,flvm.FolderToCreate));
     }
     _canExecute = true;
 }