<DataTemplate x:Key="LvItem1" >开启ChenkBox            <Grid x:Name="The_Fast_Gird"  Width="{Binding DataWidth}" Height="140">                <Grid.ColumnDefinitions>                    <ColumnDefinition Width="18*"  />                    <ColumnDefinition Width="217*"/>                </Grid.ColumnDefinitions>                <Grid x:Name="The_Fast_Gird_InGird"  Grid.Column="1" >                    <Grid.Resources>                        <Storyboard x:Name="ListView_Word_Start">                            <DoubleAnimation From="1" To="0" Duration="0:0:0.2" AutoReverse="False" EnableDependentAnimation="True" Storyboard.TargetName="The_Chenkbox_Storyboard_Border" Storyboard.TargetProperty="Opacity"/>                        </Storyboard>                    </Grid.Resources>                    <Border Background="Transparent" >                        <FlyoutBase.AttachedFlyout>                            <MenuFlyout>                                <MenuFlyoutItem Text="删除" />                            </MenuFlyout>                        </FlyoutBase.AttachedFlyout>                        <Grid>                            <Grid.RowDefinitions>                                <RowDefinition Height="9*"/>                                <RowDefinition Height="19*"/>                            </Grid.RowDefinitions>                            <Border >                                <TextBlock Text="{Binding DataName}" FontSize="30"/>                            </Border>                            <Border Grid.Row="1">                                <TextBlock FontSize="20" TextWrapping="Wrap"  Text="嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻详详细细ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss"/>                            </Border>                        </Grid>                    </Border>                </Grid>                <Grid x:Name="The_Gird_InLeftGird"  Tapped="The_Gird_InLeftGird_Tapped">                    <Border  x:Name="The_Chenkbox_Storyboard_Border" Background="Transparent" >                    </Border>                    <Border x:Name="The_Chenkbox_Border" Visibility="Visible">                        <CheckBox x:Name="The_Grid_ChenkBox"   IsThreeState="False"/>                    </Border>                </Grid>            </Grid>        </DataTemplate>        <DataTemplate x:Key="LvItem" >//未开启的ChenkBox            <Grid x:Name="The_Fast_Gird" Holding="The_Fast_Gird_Holding"  Width="{Binding DataWidth}" Height="140">                <FlyoutBase.AttachedFlyout>                    <MenuFlyout>                        <MenuFlyoutItem Text="删除" />                    </MenuFlyout>                </FlyoutBase.AttachedFlyout>                <Grid.ColumnDefinitions>                    <ColumnDefinition Width="10*"  />                    <ColumnDefinition Width="217*"/>                </Grid.ColumnDefinitions>                <Grid x:Name="The_Fast_Gird_InGird"  Grid.Column="1" >                    <Grid.Resources>                        <Storyboard x:Name="ListView_Word_Start">///渐进动画                            <DoubleAnimation From="1" To="0" Duration="0:0:0.2" AutoReverse="False" EnableDependentAnimation="True" Storyboard.TargetName="The_Chenkbox_Storyboard_Border" Storyboard.TargetProperty="Opacity"/>                        </Storyboard>                    </Grid.Resources>                    <Border Background="Transparent" >                                              <Grid>                            <Grid.RowDefinitions>                                <RowDefinition Height="9*"/>                                <RowDefinition Height="19*"/>                            </Grid.RowDefinitions>                            <Border >                                <TextBlock Text="{Binding DataName}" FontSize="30"/>                            </Border>                            <Border Grid.Row="1">                                <TextBlock FontSize="20" TextWrapping="Wrap"  Text="嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻嘻详详细细ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss"/>                            </Border>                        </Grid>                    </Border>                </Grid>                <Grid x:Name="The_Gird_InLeftGird"  Tapped="The_Gird_InLeftGird_Tapped">                                 <Border  x:Name="The_Chenkbox_Storyboard_Border" Background="Transparent" >///变色用的Border                    </Border>                    <Border x:Name="The_Chenkbox_Border" Visibility="Collapsed">                        <CheckBox x:Name="The_Grid_ChenkBox"   IsThreeState="False"/>                    </Border>                </Grid>            </Grid>        </DataTemplate>

    private async  void The_Gird_InLeftGird_Tapped(object sender, TappedRoutedEventArgs e)        {               ItemShowChenkBox_Nub++;//计数器               if (ItemShowChenkBox_Nub == 2)//第二次按下的时候 换回没有开启ChenkBox的模板               {                   var DataCount = await GetSaveWord.GetData();                   for (int i = 0; i < DataCount.Count; i++)                   {                       var Getlistview_Item = PivotItem_Listview.ContainerFromItem(PivotItem_Listview.Items.ElementAt(i)) as ListViewItem;                       Getlistview_Item.ContentTemplate = this.Resources["LvItem"] as DataTemplate;                   }                   ItemShowChenkBox_Nub = 0;               }               if (ItemShowChenkBox_Nub == 1)               {                   ItemLeftGird = ((Grid)sender) as Grid;                   ItemColorBorder = ItemLeftGird.FindName("The_Chenkbox_Storyboard_Border") as Border;                   ItemGird = ItemLeftGird.FindName("The_Fast_Gird") as Grid;                   ItemLeftStoryboard = ItemLeftGird.FindName("ListView_Word_Start") as Storyboard;                   ItemChenkBoxBorder = ItemLeftGird.FindName("The_Chenkbox_Border") as Border;                   ItemColorBorder.Background = new SolidColorBrush(Colors.Green);//变色                   var grid_cd = ItemGird.ColumnDefinitions;//更改列表的宽度                   var the_get_CD = grid_cd.ElementAt(0);                   the_get_CD.Width = new GridLength(18, GridUnitType.Star);                   ItemLeftStoryboard.Begin();//开启动画                   ItemLeftStoryboard.Completed += ItemLeftStoryboard_Completed;               }                     }    async   void ItemLeftStoryboard_Completed(object sender, object e)        {            ItemChenkBoxBorder.Visibility = Visibility.Visible;//开启隐藏的ChenkBOX            ItemColorBorder.Visibility = Visibility.Collapsed;            var DataCount = await GetSaveWord.GetData();            for (int i = 0; i < DataCount.Count; i++)            {                var Getlistview_Item = PivotItem_Listview.ContainerFromItem(PivotItem_Listview.Items.ElementAt(i)) as ListViewItem;//获取每一个ListViewItem                Getlistview_Item.ContentTemplate = this.Resources["LvItem1"] as DataTemplate;//更换模板            }                   }