我试图将DockPanel的高度(以及内容的实际内容)限制为剩余的UserControl高度,其中包含ScrollViewer,如果它太大则滚动。
我有一个窗口,它使用ContentController来保存不同的UserControls
<Window>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<!-- 0 Menu -->
<RowDefinition Height="auto"/>
<!-- 1 Header -->
<RowDefinition Height="65"/>
<!-- 2 Content -->
<RowDefinition Height="*"/>
<!-- 3 Space -->
<RowDefinition Height="10"/>
<!-- 4 Status line -->
<RowDefinition Height="auto"/>
<!-- 5 Space -->
<RowDefinition Height="10"/>
</Grid.RowDefinitions>
<!--...-->
<ContentPresenter Content="{Binding Path=MainWindowContent}" Grid.Column="0" Grid.Row="2"/>
<!--...-->
</Grid>
</Window>
我遇到问题的UserControl只是搜索用户和结果的输出。它看起来像这样:
<UserControl>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition Width="auto"/>
<ColumnDefinition Width="12"/>
<ColumnDefinition Width="auto"/>
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="10"/>
<RowDefinition Height="auto"/>
<RowDefinition Height="10"/>
</Grid.RowDefinitions>
<Grid Grid.Column="1" Grid.Row="1">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="auto"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="auto"/>
</Grid.RowDefinitions>
<Border Grid.Column="0" Grid.Row="0">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="30"/>
<ColumnDefinition Width="200"/>
<ColumnDefinition Width="20"/>
<ColumnDefinition Width="200"/>
<ColumnDefinition />
<ColumnDefinition Width="30"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="auto"/>
<RowDefinition Height="25"/>
<RowDefinition Height="auto" />
<RowDefinition Height="10" />
<RowDefinition Height="auto"/>
<RowDefinition Height="10"/>
<RowDefinition Height="auto"/>
<RowDefinition Height="40"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<!-- input fields -->
<DockPanel Grid.Column="0" Grid.Row="8" Grid.ColumnSpan="6" LastChildFill="True" VerticalAlignment="Stretch" Background="{StaticResource PrimaryCorporateBrush}">
<TextBlock Style="{StaticResource HeadlineOutputLabel}" DockPanel.Dock="Top"/>
<Separator Opacity="0" Height="10" DockPanel.Dock="Top"/>
<TextBlock Visibility="{Binding Path=HasResult, Converter={StaticResource Bool2RevertedVisibility}}" Margin="10" DockPanel.Dock="Top"/>
<ScrollViewer VerticalScrollBarVisibility="Auto" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Visibility="{Binding Path=HasResult, Converter={StaticResource Bool2Visibility}}">
<ItemsControl ItemsSource="{Binding Path=Members}" VerticalAlignment="Stretch">
<ItemsControl.ItemTemplate>
<DataTemplate>
<Border Tag="{Binding}">
<!-- Result Element -->
</Border>
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>
</ScrollViewer>
</DockPanel>
</Grid>
</Border>
</Grid>
<Grid Grid.Column="3" Grid.Row="1">
<!-- info display -->
</Grid>
</Grid>
</UserControl>
我打算将Results ScrollViewer高度限制为窗口的剩余可见空间,如果结果超出它,则显示滚动条。但是现在DockPanel不断扩展ScrollViewer和嵌套的ItemsControl高度,直到放置所有元素但不显示ScrollBar。 我在这里有点迷失为什么它会这样做,DockPanel不应该将高度限制在可见空间吗?尝试使用按钮代替ItemsControl,没有任何ScrollBar。
答案 0 :(得分:0)
我找到了解决方案!
在Grid结构中,有一行设置为&#34; auto&#34;而不是&#34; *&#34;而ScrollViewer似乎只适用于后者。