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[英]Cannot set SelectedIndex=“0” in Xaml to ListView (Windows Store App)
[英]Windows Store App - XAML - Animate ListView Details (Split Page)
我有使用“拆分页面”模板的页面,并且无论何时在ListView
选择其他项目时,我都希望它为细节设置动画
我的XAML
<!-- Vertical scrolling item list -->
<ListView
x:Name="itemListView"
AutomationProperties.AutomationId="ItemsListView"
AutomationProperties.Name="Items"
TabIndex="1"
Grid.Row="1"
Margin="0,0,0,0"
Padding="120,0,0,60"
ItemsSource="{Binding Source={StaticResource itemsViewSource}}"
IsSwipeEnabled="False"
SelectionChanged="ItemListView_SelectionChanged">
<ListView.ItemTemplate>
<DataTemplate>
<Grid Margin="6">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Image Source="{Binding ImagePathSmall}" Stretch="None" AutomationProperties.Name="{Binding Priority}" />
<StackPanel Grid.Column="1" Margin="10,0,0,0">
<TextBlock Text="{Binding Category}" Style="{StaticResource TitleTextBlockStyle}" TextWrapping="NoWrap" MaxHeight="40"/>
<TextBlock Text="{Binding Patient}" Style="{StaticResource CaptionTextBlockStyle}" TextWrapping="NoWrap"/>
</StackPanel>
</Grid>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
<!-- Details for selected item -->
<ScrollViewer
x:Name="itemDetail"
AutomationProperties.AutomationId="ItemDetailScrollViewer"
Grid.Column="1"
Padding="60,0,66,0"
DataContext="{Binding SelectedItem, ElementName=itemListView}"
HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto"
ScrollViewer.HorizontalScrollMode="Disabled" ScrollViewer.VerticalScrollMode="Enabled"
ScrollViewer.ZoomMode="Disabled" Grid.Row="1">
<Grid x:Name="itemDetailGrid" Margin="0,60,0,50">
<Grid.ChildrenTransitions>
<TransitionCollection>
<ContentThemeTransition/>
</TransitionCollection>
</Grid.ChildrenTransitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Image Source="{Binding ImagePath}" Stretch="UniformToFill" AutomationProperties.Name="{Binding Priority}" Width="128" Height="128"/>
<StackPanel x:Name="itemDetailTitlePanel" Grid.Row="1" Grid.Column="1">
<TextBlock x:Name="itemTitle" Margin="0,-10,0,0" Text="{Binding Category}" Style="{StaticResource SubheaderTextBlockStyle}"/>
<TextBlock x:Name="itemSubtitle" Margin="0,0,0,20" Text="{Binding Patient}" Style="{StaticResource SubtitleTextBlockStyle}"/>
</StackPanel>
<TextBlock Grid.Row="2" Grid.ColumnSpan="2" Margin="0,20,0,0" Text="{Binding TaskDetails}" Style="{StaticResource BodyTextBlockStyle}"/>
</Grid>
</ScrollViewer>
通过阅读快速入门:使用库动画(使用C#/ VB / C ++和XAML的Windows Runtime应用程序)对UI进行动画处理,我应该能够通过添加以下内容达到预期的效果
<Grid.ChildrenTransitions>
<TransitionCollection>
<ContentThemeTransition/>
</TransitionCollection>
</Grid.ChildrenTransitions>
虽然没有达到预期的效果。 qnyone可以告诉我为什么以及如何达到预期的效果吗?
将其更改为此具有预期的效果
<!-- Vertical scrolling item list -->
<ListView
x:Name="itemListView"
AutomationProperties.AutomationId="ItemsListView"
AutomationProperties.Name="Items"
TabIndex="1"
Grid.Row="1"
Margin="0,0,0,0"
Padding="120,0,0,60"
ItemsSource="{Binding Source={StaticResource itemsViewSource}}"
IsSwipeEnabled="False"
SelectionChanged="ItemListView_SelectionChanged">
<ListView.ItemTemplate>
<DataTemplate>
<Grid Margin="6">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Image Source="{Binding ImagePathSmall}" Stretch="None" AutomationProperties.Name="{Binding Priority}" />
<StackPanel Grid.Column="1" Margin="10,0,0,0">
<TextBlock Text="{Binding Category}" Style="{StaticResource TitleTextBlockStyle}" TextWrapping="NoWrap" MaxHeight="40"/>
<TextBlock Text="{Binding Patient}" Style="{StaticResource CaptionTextBlockStyle}" TextWrapping="NoWrap"/>
</StackPanel>
</Grid>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
<!-- Details for selected item -->
<ContentControl x:Name="itemDetail" Content="{Binding SelectedItem, ElementName=itemListView}" Grid.Row="1" Grid.Column="1" >
<ContentControl.ContentTemplate>
<DataTemplate>
<Grid x:Name="itemDetailGrid" Margin="0,60,0,50">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Image Source="{Binding ImagePath}" Stretch="UniformToFill" AutomationProperties.Name="{Binding Priority}" Width="128" Height="128"/>
<StackPanel x:Name="itemDetailTitlePanel" Grid.Row="1" Grid.Column="1">
<TextBlock x:Name="itemTitle" Margin="0,-10,0,0" Text="{Binding Category}" Style="{StaticResource SubheaderTextBlockStyle}"/>
<TextBlock x:Name="itemSubtitle" Margin="0,0,0,20" Text="{Binding Patient}" Style="{StaticResource SubtitleTextBlockStyle}"/>
</StackPanel>
<TextBlock Grid.Row="2" Grid.ColumnSpan="2" Margin="0,20,0,0" Text="{Binding TaskDetails}" Style="{StaticResource BodyTextBlockStyle}"/>
</Grid>
</DataTemplate>
</ContentControl.ContentTemplate>
<ContentControl.ContentTransitions>
<TransitionCollection>
<ContentThemeTransition HorizontalOffset="100"/>
</TransitionCollection>
</ContentControl.ContentTransitions>
</ContentControl>
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