[wpf] collectionViewsource 排序 和分组

Posted 2022-05-19 nocanstillbb

xmlns:scm="clr-namespace:System.ComponentModel;assembly=WindowsBase"

xmlns:swd="clr-namespace:System.Windows.Data;assembly=PresentationFramework"

 

<CollectionViewSource x:Key="PeopleResource" Source="Binding People">

    <CollectionViewSource.SortDescriptions>

        <scm:SortDescription PropertyName="Age" Direction="Ascending"/>

        <scm:SortDescription PropertyName="LastName" Direction="Ascending"/>

    </CollectionViewSource.SortDescriptions>

    <CollectionViewSource.GroupDescriptions>

        <swd:PropertyGroupDescription PropertyName="Gender"/>

    </CollectionViewSource.GroupDescriptions>

</CollectionViewSource>

 

<ListBox ItemsSource="Binding Source=StaticResource PeopleResource">

    <ListBox.ItemTemplate>

        <DataTemplate>

            <StackPanel Margin="10 0 10 5">

                <TextBlock Text="Binding FirstName"/>

                <TextBlock FontWeight="Bold" Text="Binding LastName"/>

                <TextBlock Foreground="Blue" Text="Binding Age"/>

            </StackPanel>

        </DataTemplate>

    </ListBox.ItemTemplate>

    <ListBox.GroupStyle>

        <GroupStyle>

            <GroupStyle.HeaderTemplate>

                <DataTemplate>

                    <Border BorderBrush="Gray" BorderThickness="0 0 0 4">

                    <TextBlock FontSize="14" FontWeight="Bold"

                               Foreground="Gray" Text="Binding Name"/>

                    </Border>

                </DataTemplate>

            </GroupStyle.HeaderTemplate>

        </GroupStyle>

    </ListBox.GroupStyle>

</ListBox>