方向更改时GridView重排项目 [英] GridView reflow items on orientation change

问题描述

我是Metro Style开发的新手（因为我没有使用WPF），我正在尝试实现类似于Feed的内容选择"创建您的第一个Metro风格......"教程。这是我的一段XAML代码：

I am new to Metro Style development (as I haven't worked with WPF), and I'm trying to implement something that is like the feed selection in the "Create your first Metro Style..." tutorial. Here is a piece of my XAML code:

<!-- Horizontal scrolling grid used in most view states -->
        <ScrollViewer
            x:Name="itemGridScrollViewer"
            AutomationProperties.AutomationId="GridScrollViewer"
            Grid.Row="1"
            Margin="0,-4,0,0"
            Style="{StaticResource HorizontalScrollViewerStyle}">

            <GridView
                x:Name="itemGridView"
                AutomationProperties.AutomationId="ItemsGridView"
                AutomationProperties.Name="Items"
                SelectionMode="None"
                IsItemClickEnabled="True"
                ItemClick="itemGridView_ItemClick"
                Margin="116,0,116,46"
                ItemsSource="{Binding Feeds}"
                ItemTemplate="{StaticResource DefaultGridItemTemplate}"/>
        </ScrollViewer>

这适用于纵向和横向布局。但是如果我以纵向模式启动应用程序，然后我旋转模拟器，GridView中的项目不会重新排列以适应新的布局，因此它会产生奇怪的结果：

This works well in both portrait and landscape layouts. But if I start the app in portrait mode, and then I rotate the simulator, the items in the GridView do not get re-arranged to fit the new layout, so it gives strange results:

我已经尝试过调用InvalidateArrange（） ApplicationView.GetForCurrentView（）。ViewStateChanged事件，但它没有帮助。

请帮我解决这个问题。

谢谢

I have already tried calling the InvalidateArrange() from the ApplicationView.GetForCurrentView().ViewStateChanged event, but it did not help.
Please help me solving this problem.
Thanks

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