我试图将一个ListBox
的高度拉伸到父网格的100%高度(即父视图的90%高度),即使listboxes
为空也要实现。值得注意的是,VerticalAlignment ="Stretch"
似乎不起作用,因此已从ListBox
和StackPanel
元素中删除它。目前,ListBox
只能拉伸到容纳其项数所需的高度。我知道行定义应该起作用,但如果两个列表都为空,它们都会收缩到几像素高(连同网格行一起)。可能有什么原因导致这些行尽管明确声明了高度却收缩了吗?
<Grid.ColumnDefinitions>
<ColumnDefinition Width=".24*"/>
<ColumnDefinition Width=".73*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height=".9*"/>
<RowDefinition Height=".1*"/>
</Grid.RowDefinitions>
<ListBox Grid.Column="0" Grid.Row="0" Name="Subdivisions" SelectedItem="{Binding SelectedSubdivisionViewModel}" ItemsSource="{Binding Path=Subdivisions}" Grid.IsSharedSizeScope="True">
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel>
<Border BorderBrush="#FF4788c8" BorderThickness="1,1,1,1" CornerRadius="8,8,8,8">
<Expander IsExpanded="{Binding IsSelected, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ListBoxItem}}}">
<Expander.Header>
<StackPanel>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" SharedSizeGroup="col1" />
<ColumnDefinition Width=".1*" SharedSizeGroup="col2" />
<ColumnDefinition Width="*" SharedSizeGroup="col3" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<TextBlock Grid.Column="0" Grid.Row="0">
<TextBlock.Text>
<MultiBinding StringFormat="Name: {0}">
<Binding Path="SubdivisionName" />
<Binding Path="SubdivisionID" />
</MultiBinding>
</TextBlock.Text>
</TextBlock>
<TextBlock Grid.Column="2" Grid.Row="0">
<TextBlock.Text>
<MultiBinding StringFormat="ID: {0}">
<Binding Path="SubdivisionName" />
<Binding Path="SubdivisionID" />
</MultiBinding>
</TextBlock.Text>
</TextBlock>
<TextBlock Grid.Column="2" Grid.Row="1">
<TextBlock.Text>
<MultiBinding StringFormat="ID: {0}">
<Binding Path="SubdivisionName" />
<Binding Path="SubdivisionID" />
</MultiBinding>
</TextBlock.Text>
</TextBlock>
</Grid>
</StackPanel>
</Expander.Header>
<StackPanel>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<TextBlock Text="{Binding ElementName=SubdivisionID}" />
<TextBlock Text="{Binding Path=SubdivisionID}" />
</Grid>
</StackPanel>
</Expander>
</Border>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
GroupBox
样式被App.xaml
引用。VerticalAlignment
被设置为Top
。我将该属性本地设置为Stretch
。这并没有回答问题,但可能会帮助遇到类似问题的人。 - AMissico