C# (CSharp) DirectoryTabItems.Add примеры использования

Пример #1

        private void AddTabItemViewModel()
        {
            var vm = new DirectoryTabItemViewModel();

            DirectoryTabItems.Add(vm);
            CurrentDirectoryTabItem = vm;
        }

Пример #2

        private void AddTabItemViewModel()
        {
            var vm = new DirectoryTabItemViewModel(_synchronizationHelper);

            DirectoryTabItems.Add(vm);
            CurrentDirectoryTabItem = vm;
        }