Question

我试图用这样的方式安排3个全屏大小的元素（网格），当应用程序启动时，一个将在中间，一个在每一侧，它们将是不可回收的（TabNavigation =＆＃34 ;一旦＆＃34;。）

以下是我现在所拥有的：

<ScrollViewer x:Name="scrollViewer" Width="400"
                VerticalScrollBarVisibility="Disabled" HorizontalScrollBarVisibility="Auto" 
                VerticalScrollMode="Disabled" HorizontalScrollMode="Auto"
                ZoomMode="Disabled"
                HorizontalSnapPointsType="MandatorySingle"
                HorizontalSnapPointsAlignment="Center"
                TabNavigation="Once">

        <StackPanel Orientation="Horizontal">
            <Grid Background="Aqua" Width="400">
                <TextBlock FontSize="60" Margin="0,0,30,79" HorizontalAlignment="Right" Width="339" Height="130" VerticalAlignment="Bottom">Hello World!</TextBlock>
            </Grid>

            <Grid Background="Green" Width="400">
                <TextBlock FontSize="60" Margin="0,0,30,79" HorizontalAlignment="Right" Width="353" Height="130" VerticalAlignment="Bottom">Hello World!</TextBlock>
            </Grid>

            <Grid Background="Crimson" Width="400">
                <TextBlock FontSize="60" Margin="0,0,30,79" HorizontalAlignment="Right" Width="353" Height="130" VerticalAlignment="Bottom">Hello World!</TextBlock>
            </Grid>
        </StackPanel>

</ScrollViewer>

我想要实现的是始终在第二个元素处打开应用程序。

非常感谢任何帮助。谢谢。

Answer 1

一个简单的例子，我修改了一下

我使用ItemsControl来托管项目并命名中间元素

    <ItemsControl>
        <Grid Background="Aqua" Width="400">
            <TextBlock FontSize="60" Margin="0,0,30,79" HorizontalAlignment="Right" Width="339" Height="130" VerticalAlignment="Bottom">Hello World!</TextBlock>
        </Grid>

        <Grid x:Name="middle" Background="Green" Width="400">
            <TextBlock FontSize="60" Margin="0,0,30,79" HorizontalAlignment="Right" Width="353" Height="130" VerticalAlignment="Bottom">Hello World!</TextBlock>
        </Grid>

        <Grid Background="Crimson" Width="400">
            <TextBlock FontSize="60" Margin="0,0,30,79" HorizontalAlignment="Right" Width="353" Height="130" VerticalAlignment="Bottom">Hello World!</TextBlock>
        </Grid>
        <ItemsControl.ItemsPanel>
            <ItemsPanelTemplate>
                <StackPanel Orientation="Horizontal"
                            IsItemsHost="True" />
            </ItemsPanelTemplate>
        </ItemsControl.ItemsPanel>
        <ItemsControl.Template>
            <ControlTemplate>
                <ScrollViewer>
                    <ItemsPresenter />
                </ScrollViewer>
            </ControlTemplate>
        </ItemsControl.Template>
    </ItemsControl>

然后在你的代码中

    Loaded += (s, e) => middle.BringIntoView();

XAML - Stackpanel - 设置起始偏移量

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