Managing multiple selections with MVVM - managing multiple selections with MVVM

problem ：

On my journey to learning MVVM I've established some basic understanding of WPF and the ViewModel pattern. In my learning MVVM In the process of , I have established a right WPF and ViewModel Some basic understanding of patterns .I'm using the following abstraction when providing a list and am interested in a single selected item. I use the following abstraction when providing lists , And interested in a single selected project .

public ObservableCollection<OrderViewModel> Orders { get; private set; }public ICollectionView OrdersView{    get    {        if( _ordersView == null )            _ordersView = CollectionViewSource.GetDefaultView( Orders );        return _ordersView;    }}private ICollectionView _ordersView;public OrderViewModel CurrentOrder {     get { return OrdersView.CurrentItem as OrderViewModel; }     set { OrdersView.MoveCurrentTo( value ); } }

I can then bind the OrdersView along with supporting sorting and filtering to a list in WPF: then , I can put OrdersView With support for sorting and filtering bound to WPF List in ：

<ListView ItemsSource="{Binding Path=OrdersView}"           IsSynchronizedWithCurrentItem="True">

This works really well for single selection views. This is very effective for radio views .But I'd like to also support multiple selections in the view and have the model bind to the list of selected items. But I also want to support multiple choices in the view , And bind the model to the selected list .

How would I bind the ListView.SelectedItems to a backer property on the ViewModel? How to integrate ListView.SelectedItems Bound to the ViewModel Upper backer attribute ？

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Solution ：

Reference resources ： https://stackoom.com/en/question/3Mx6