[英]ContentPresenter in windows 10 uwp app not expanding to full width
我有一個包含列表視圖和內容演示者的母版/詳細信息頁面。 我的問題是,當文本塊的內容小於當前窗口時,內容呈現器不會填充父網格的整個剩余空間。
我嘗試同時添加HorizontalAlign ='Stretch'和VerticalAlign ='Stretch',但是沒有任何效果。
這是MasterDetailPage.xaml的代碼
<Page.Resources>
<DataTemplate x:Key="MasterListViewItemTemplate" x:DataType="data:List">
<Grid Margin="0,11,0,13">
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<TextBlock Text="{x:Bind Title}" Style="{ThemeResource BaseTextBlockStyle}" />
<TextBlock Style="{ThemeResource CaptionTextBlockStyle}"
Text="{x:Bind Date}"
Grid.Column="1"
Margin="12,1,0,0" />
</Grid>
</DataTemplate>
<DataTemplate x:Key="DetailContentTemplate" x:DataType="data:List">
<ScrollViewer VerticalScrollBarVisibility="Auto">
<StackPanel
Orientation="Vertical"
Margin="0,9,12,9">
<TextBlock
Margin="0,8"
Style="{ThemeResource TitleTextBlockStyle}"
TextWrapping="WrapWholeWords"
Text="{x:Bind Title}"/>
<RichTextBlock
x:Name="textContent"
IsTextSelectionEnabled="True"
TextWrapping="WrapWholeWords"
common:Html2TextParser.Html="{x:Bind Content}"/>
</StackPanel>
</ScrollViewer>
</DataTemplate>
<DataTemplate x:Key="comboListTemplate" x:DataType="data:Combo">
<TextBlock Text="{x:Bind Title}"/>
</DataTemplate>
</Page.Resources>
<Grid x:Name="LayoutRoot" Loaded="LayoutRoot_Loaded" UseLayoutRounding="True">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="AdaptiveStates" CurrentStateChanged="AdaptiveStates_CurrentStateChanged">
<VisualState x:Name="DefaultState">
<VisualState.StateTriggers>
<AdaptiveTrigger MinWindowWidth="720" />
</VisualState.StateTriggers>
</VisualState>
<VisualState x:Name="NarrowState">
<VisualState.StateTriggers>
<AdaptiveTrigger MinWindowWidth="0" />
</VisualState.StateTriggers>
<VisualState.Setters>
<Setter Target="MasterColumn.Width" Value="*" />
<Setter Target="DetailColumn.Width" Value="0" />
<Setter Target="MasterListView.SelectionMode" Value="None" />
</VisualState.Setters>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition x:Name="MasterColumn" Width="320" />
<ColumnDefinition x:Name="DetailColumn" Width="*" />
</Grid.ColumnDefinitions>
<ComboBox
Name="comboList"
Margin="2,2,2,2"
ItemsSource="{x:Bind comboSource.combos}"
LayoutUpdated="comboList_LayoutUpdated"
SelectionChanged="comboList_SelectionChanged"
ItemTemplate="{StaticResource comboListTemplate}"
HorizontalAlignment="Stretch" />
<ListView
x:Name="MasterListView" ItemsSource="{x:Bind listSource.lists}"
Grid.Row="1"
ItemContainerTransitions="{x:Null}"
ItemTemplate="{StaticResource MasterListViewItemTemplate}"
IsItemClickEnabled="True"
ItemClick="MasterListView_ItemClick">
<ListView.ItemContainerStyle>
<Style TargetType="ListViewItem">
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
</Style>
</ListView.ItemContainerStyle>
</ListView>
<ContentPresenter
x:Name="DetailContentPresenter"
Grid.Column="1"
Grid.RowSpan="2"
BorderThickness="1,0,0,0"
BorderBrush="{ThemeResource SystemControlForegroundBaseLowBrush}"
Content="{x:Bind MasterListView.SelectedItem, Mode=OneWay}"
ContentTemplate="{StaticResource DetailContentTemplate}"
HorizontalAlignment="Stretch"
VerticalAlignment="Stretch"
Margin="12,0,0,0">
<ContentPresenter.ContentTransitions>
<!-- Empty by default. See MasterListView_ItemClick -->
<TransitionCollection />
</ContentPresenter.ContentTransitions>
</ContentPresenter>
</Grid>
誰能解決這個問題? 這是我的問題的屏幕截圖。
在為ContentPresenter和主網格本身設置不同的顏色后,我發現甚至我的主網格“ LayoutRoot”都沒有擴展到全寬!
原因是我使用的是SplitView,並且正在SpiltView的Content元素內導航MasterDetailPage.xaml。 我只是為SplitView設置HorizontalAlign ='Stretch' ,它解決了我的問題!
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