wpf 边框控件跨越 listboxItem 的宽度
我试图在我的 wpf 应用程序中为业务对象定义一个 dataTemplate，该对象的集合绑定到 ListBox。
<UserControl.Resources>
<DataTemplate x:Key="ResizedItemsDataTemplate" DataType="{x:Type resizer:ResizeMonitorItem}">
<Border x:Name="bdr" BorderBrush="Blue"
BorderThickness="1"
CornerRadius="2"
Width="auto"
HorizontalAlignment="Stretch"
VerticalAlignment="Stretch">
<Grid Margin="2">
<Grid.RowDefinitions>
<RowDefinition Height="14"></RowDefinition>
<RowDefinition Height="14"></RowDefinition>
</Grid.RowDefinitions>
<TextBlock Grid.Row="0" Text="{Binding SaveAsFileName}"></TextBlock>
<TextBlock Grid.Row="1" Text="{Binding ResizedImageFilePath}"></TextBlock>
</Grid>
</Border>
</DataTemplate>
</UserControl.Resources>
<Grid VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="0">
<Border BorderThickness="0,0,0,5" BorderBrush="DarkGray" >
<ListBox x:Name="ListBoxResizeItems" ItemsSource="{Binding Path=ResizeItems}" BorderThickness="0" ItemTemplate="{DynamicResource ResizedItemsDataTemplate}">
</ListBox>
</Border>
</Grid>
如何获得使用 x:Name=bdr 定义的边框以跨越每个列表框项目的整个宽度？ 目前，它仅跨越其中的文本块，不需要填充列表框项的整个宽度，并且每个列表框项也有所不同。
Im trying to define a dataTemplate for a business object in my wpf application a collection of which is being bound to a ListBox.
<UserControl.Resources>
<DataTemplate x:Key="ResizedItemsDataTemplate" DataType="{x:Type resizer:ResizeMonitorItem}">
<Border x:Name="bdr" BorderBrush="Blue"
BorderThickness="1"
CornerRadius="2"
Width="auto"
HorizontalAlignment="Stretch"
VerticalAlignment="Stretch">
<Grid Margin="2">
<Grid.RowDefinitions>
<RowDefinition Height="14"></RowDefinition>
<RowDefinition Height="14"></RowDefinition>
</Grid.RowDefinitions>
<TextBlock Grid.Row="0" Text="{Binding SaveAsFileName}"></TextBlock>
<TextBlock Grid.Row="1" Text="{Binding ResizedImageFilePath}"></TextBlock>
</Grid>
</Border>
</DataTemplate>
</UserControl.Resources>
<Grid VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="0">
<Border BorderThickness="0,0,0,5" BorderBrush="DarkGray" >
<ListBox x:Name="ListBoxResizeItems" ItemsSource="{Binding Path=ResizeItems}" BorderThickness="0" ItemTemplate="{DynamicResource ResizedItemsDataTemplate}">
</ListBox>
</Border>
</Grid>
How can I get the border defined with x:Name=bdr to span the full width of each listbox item? At the moment it only spans the with of the textblocks inside it which dont neccessary fill the full width of the listboxitem and also vary for each listboxitem.
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这可能更多地与 ListBoxItems 本身不占据 ListBox 的整个宽度有关。 将
HorizontalContentAlignment="Stretch"属性添加到ListBox中，看看它是否拉伸各个项目以填充宽度。This is probably more to do with the ListBoxItems themselves not taking up the full width of the ListBox. Add the
HorizontalContentAlignment="Stretch"attribute to yourListBoxand see if it stretches the individual items to fill the width.与我尝试的解决方案相比，HorizontalContentAlignment 是一个很好、干净的解决方案。 谢谢！
这是几乎有效的方法，但有时会使对话框动画本身越来越宽：
HorizontalContentAlignment is a nice, clean solution compared to what I was trying. Thanks!
Here's what ALMOST worked, but sometimes made a dialog box animated itself wider and wider forever:
解决了。 诀窍是在列表框中设置 HorizontalContentAlignment="Stretch"，使其内容拉伸整个宽度，而不是仅适合内容。
抱歉，马特，在我写这篇文章时刚刚得到你的答案。
Worked it out. The trick is to set the HorizontalContentAlignment="Stretch" on your listbox to make its contents stretch the full width rather than fit the contents only.
Sorry Matt, just got your answer thorugh as I was typing this post.