UWP - ListView滚动 - 不会停留在滚动位置

Question

我有一个ListView分组.一切都很好,除了滚动.如果我想向下滚动ListView那么在释放之后ListView回到开头.我试图设置ScrollViewer.VerticalScrollMode到Enabled和ScrollViewer.VerticalScrollBarVisibility到Auto.但没有成功.

XAML代码:

<PivotItem>
    <StackPanel Orientation="Vertical" >    
        <TextBox x:Name="SearchBox"
                     PlaceholderText="Search ... "
                     TextChanged="SearchBox_TextChanged"/>

        <ListView x:Name="ContactsListView"
                  ItemTemplate="{StaticResource ContactsTemplate}"
                  ItemsSource="{x:Bind ContactsViewSource.View}"
                  SelectionMode="Single"
                  ScrollViewer.VerticalScrollMode="Enabled"
                  ScrollViewer.VerticalScrollBarVisibility="Auto" >

                  <ListView.GroupStyle>
                     <GroupStyle>
                        <GroupStyle.HeaderTemplate>
                           <DataTemplate x:DataType="data:GroupingItem">
                              <TextBlock Text="{x:Bind Key}"
                                         Foreground="Blue"
                                         Style="{ThemeResource TitleTextBlockStyle}"/>
                           </DataTemplate>
                        </GroupStyle.HeaderTemplate>
                     </GroupStyle>
                  </ListView.GroupStyle>
        </ListView>
    </StackPanel>
</PivotItem>

你能给我一些提示吗？因为我在网上搜索但没有任何解决方案.提前致谢.

Answer 1

解决方案是StackPanel用Gridin 替换PivotItem.

<PivotItem>
    <Grid>
       <Grid.RowDefinitions>
           <RowDefinition Height="50" />
           <RowDefinition Height="*" />
       </Grid.RowDefinitions>
        <TextBox x:Name="SearchBox"
                     PlaceholderText="Search ... "
                     TextChanged="SearchBox_TextChanged"
                     Grid.Row="0"/>

        <ListView x:Name="ContactsListView"
                  ItemTemplate="{StaticResource ContactsTemplate}"
                  ItemsSource="{x:Bind ContactsViewSource.View}"
                  SelectionMode="Single"
                  Grid.Row="1" >

                  <ListView.GroupStyle>
                     <GroupStyle>
                        <GroupStyle.HeaderTemplate>
                           <DataTemplate x:DataType="data:GroupingItem">
                              <TextBlock Text="{x:Bind Key}"
                                         Foreground="Blue"
                                         Style="{ThemeResource TitleTextBlockStyle}"/>
                           </DataTemplate>
                        </GroupStyle.HeaderTemplate>
                     </GroupStyle>
                  </ListView.GroupStyle>
        </ListView>
   </Grid>
</PivotItem>