[Wpf]在C#中添加 collectionViewSource

Products = new ObservableCollection<Product>(products);

ProductOptions = new ObservableCollection<ProductOption>(options);

 

ProductsView = CollectionViewSource.GetDefaultView(Products);

    ProductsView.GroupDescriptions.Add(new PropertyGroupDescription("Group"));

    ProductsView.SortDescriptions.Add(

        new SortDescription("Name", ListSortDirection.Ascending));

 

ProductOptionsView = CollectionViewSource.GetDefaultView(ProductOptions);

    ProductOptionsView.SortDescriptions.Add(

        new SortDescription("Option", ListSortDirection.Ascending));

 

<ListBox Grid.Row="1" ItemsSource="{Binding Products}"
DisplayMemberPath="Name">
<ListBox.GroupStyle>
<GroupStyle>
<GroupStyle.HeaderTemplate>
<DataTemplate>
<TextBlock Foreground="DarkGreen" Text="{Binding Name}"
FontStyle="Italic"/>
</DataTemplate>
</GroupStyle.HeaderTemplate>
</GroupStyle>
</ListBox.GroupStyle>