C# 如何为 ListBoxItem 制作标题？
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How do I make a header for a ListBoxItem?
提问by FetFrumos
I use ListBox in my application. ListBox has two columns. I want to make a title for the columns. It is layout
我在我的应用程序中使用 ListBox。ListBox 有两列。我想为列做一个标题。这是布局
<Window.Resources>
<Style x:Key="borderBase" TargetType="Border">
<Setter Property="BorderBrush" Value="Black" />
<Setter Property="BorderThickness" Value="1" />
</Style>
</Window.Resources>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="1*" />
<RowDefinition Height="7*" />
</Grid.RowDefinitions>
<!-- Title -->
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Border Style="{StaticResource borderBase}">
<TextBlock Text="FirstName" />
</Border>
<Border Grid.Column="1" Style="{StaticResource borderBase}">
<TextBlock Text="SecondName" />
</Border>
</Grid>
<!-- Data -->
<ListBox Grid.Row="1">
<ListBox.ItemTemplate>
<DataTemplate>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Border Style="{StaticResource borderBase}">
<TextBlock Style="{StaticResource textBlockBase}" Text="{Binding FirstName}" />
</Border>
<Border Grid.Column="1" Style="{StaticResource borderRigth}">
<TextBlock Style="{StaticResource textBlockBase}" Text="{Binding SecondName}" />
</Border>
</Grid>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</Grid>
When a few items in the ListBox are all displayed OK. But when a lot of elements in the list - a vertical scroll bar in ListBox is visible. Then the title and move across the width of the columns.
当 ListBox 中的几项都显示 OK 时。但是当列表中有很多元素时 - ListBox 中的垂直滚动条是可见的。然后标题并在列的宽度上移动。
How to align the width of the columns and headers?
如何对齐列和标题的宽度？
采纳答案by Sheridan
WPF provides some properties justfor this purpose. You need to use the SharedSizeGroupand Grid.IsSharedSizeScopeproperties:
WPF提供一些属性只是为了这个目的。您需要使用SharedSizeGroup和Grid.IsSharedSizeScope属性：
<Grid Grid.IsSharedSizeScope="True"><!-- Look HERE -->
<Grid.RowDefinitions>
<RowDefinition Height="1*" />
<RowDefinition Height="7*" />
</Grid.RowDefinitions>
<!-- Title -->
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition SharedSizeGroup="FirstNameColumn" /><!-- Look HERE -->
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Border Style="{StaticResource borderBase}">
<TextBlock Text="FirstName" />
</Border>
<Border Grid.Column="1" Style="{StaticResource borderBase}">
<TextBlock Text="SecondName" />
</Border>
</Grid>
<!-- Data -->
<ListBox Grid.Row="1">
<ListBox.ItemTemplate>
<DataTemplate>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition SharedSizeGroup="FirstNameColumn" />
<ColumnDefinition /><!-- Look Above HERE -->
</Grid.ColumnDefinitions>
<Border Style="{StaticResource borderBase}">
<TextBlock Style="{StaticResource textBlockBase}" Text="{Binding FirstName}" />
</Border>
<Border Grid.Column="1" Style="{StaticResource borderRigth}">
<TextBlock Style="{StaticResource textBlockBase}" Text="{Binding SecondName}" />
</Border>
</Grid>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</Grid>
Please se the Grid.IsSharedSizeScope Attached Propertypage at MSDN for more information.
请参阅MSDN 上的Grid.IsSharedSizeScope 附加属性页面以获取更多信息。
回答by Florian Gl
I would recommend using a ListView, there you can define and style headers for each column and don't have to care about the positioning:
我建议使用 ListView，在那里您可以为每列定义和样式标题，而不必关心定位：
<ListView>
<ListView.View>
<GridView>
<GridViewColumn>
<GridViewColumn.CellTemplate>
<Border Style="{StaticResource borderBase}">
<TextBlock Style="{StaticResource textBlockBase}" Text="{Binding FirstName}" />
</Border>
</GridViewColumn.CellTemplate>
<GridViewColumn.HeaderTemplate>
<!--your header template-->
</GridViewColumn.HeaderTemplate>
</GridViewColumn>
<GridViewColumn>
<GridViewColumn.CellTemplate>
<Border Style="{StaticResource borderBase}">
<TextBlock Style="{StaticResource textBlockBase}" Text="{Binding SecondName}" />
</Border>
</GridViewColumn.CellTemplate>
<GridViewColumn.HeaderTemplate>
<!--your header template-->
</GridViewColumn.HeaderTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
回答by Dave
Why so complicated? Just use the GridViewColumn's "Header" attribute...
为什么这么复杂？只需使用 GridViewColumn 的“标题”属性...
<ListView >
<ListView.View>
<GridView>
<GridViewColumn Header="Id"/>
<GridViewColumn Header="Name"/>
</GridView>
</ListView.View>
</ListView>
回答by Mohamed
<ListView ItemsSource="{Binding Source={StaticResource Locator},Path=EtudiantVM.ListEtudiants}">
<ListView.View>
<GridView>
<GridViewColumn Header="Nom" Width="100">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Nom}"></TextBlock>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Header="Prénom" Width="100">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Prenom}"></TextBlock>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Header="Note" Width="100">
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Note}"></TextBlock>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
回答by dnxit
<Grid Style="{StaticResource TableHeader}">
<Grid.Resources>
<Style TargetType="{x:Type Border}" BasedOn="{StaticResource TableBorder}"/>
<Style TargetType="{x:Type TextBlock}" BasedOn="{StaticResource TextTableHeader}">
<Setter Property="TextWrapping" Value="Wrap"/>
</Style>
</Grid.Resources>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Border BorderThickness="1">
<TextBlock Text="Card"/>
</Border>
<Border Grid.Column="1" BorderThickness="0 1 1 1">
<TextBlock Text="Type"/>
</Border>
<Border Grid.Column="2" BorderThickness="0 1 1 1">
<TextBlock Text="Limit"/>
</Border>
<Border Grid.Column="3" BorderThickness="0 1 1 1">
<TextBlock Text="Amount"/>
</Border>
<Border Grid.Column="4" BorderThickness="0 1 1 1">
<TextBlock Text="Payment Due"/>
</Border>
</Grid>
<ListBox Style="{StaticResource ListBoxStyle}"
ItemsSource="{Binding Source}"
SelectedItem="{Binding SelectedItem}"
IsHitTestVisible="{Binding IsSelectionActive}"
ItemTemplate="{Binding ItemTemplate}" />
</Grid>
