好的,我放弃了 - 如何在列表视图中显示垂直滚动条而不指定xaml中MaxHeight的硬编码值?
这是我的xaml(我没有包含数据模型,但它基本上是一个目录列表)
<UserControl x:Class="WpfApplication1.Views.FolderViewView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="500" >
<DockPanel>
<StackPanel DockPanel.Dock="Top">
<Label Name="lblFolder" Content="{Binding Path=FolderName}" MinWidth="250"/>
<Button Name="btnFolder" Content="Select Folder" Click="btnFolder_Click" />
</StackPanel>
<DockPanel>
<ListView Name="lstFiles" ItemsSource="{Binding}" Margin="1" MaxHeight="200" Height="Auto" ScrollViewer.CanContentScroll="True" ScrollViewer.VerticalScrollBarVisibility="Auto" >
<ListView.View>
<GridView>
<GridViewColumn Header="Filename" DisplayMemberBinding="{Binding Path=FileName}" />
<GridViewColumn Header="Extenstion" DisplayMemberBinding="{Binding Path=Extension}" />
<GridViewColumn Header="Size" DisplayMemberBinding="{Binding Path=FileSize}" />
<GridViewColumn Header="Creation Date" DisplayMemberBinding="{Binding Path=CreateDate}" />
<GridViewColumn Header="Modified Date" DisplayMemberBinding="{Binding Path=ModifiedDate}" />
</GridView>
</ListView.View>
</ListView>
</DockPanel>
</DockPanel>
如果没有在ListView控件上设置MaxHeight,当有足够的项目使List视图大于屏幕时,滚动条不会出现。 使用MaxHeigt =“250”时,会出现滚动条,但现在当用户更改窗口大小时,列表视图不会延伸。
也许我问的是错误的问题,应该是:当窗口的高度发生变化时,如何更改listview的最大高度?
请帮助,这已经让我在最后一天开车了......
由于
利
答案 0 :(得分:18)
问题来自于DockPanel
的使用。默认情况下,它为其子项提供所需的所有空间(无论可用空间如何)。
为了解决这个问题,我建议您使用Grid
面板而不是DockPanel
:
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<StackPanel Grid.Row="0">
<Label Name="lblFolder" Content="{Binding Path=FolderName}" MinWidth="250"/>
<Button Name="btnFolder" Content="Select Folder" Click="btnFolder_Click" />
</StackPanel>
<ListView Grid.Row="1" Name="lstFiles" ItemsSource="{Binding}" Margin="1" >
<ListView.View>
<GridView>
<GridViewColumn Header="Filename" DisplayMemberBinding="{Binding Path=FileName}" />
<GridViewColumn Header="Extenstion" DisplayMemberBinding="{Binding Path=Extension}" />
<GridViewColumn Header="Size" DisplayMemberBinding="{Binding Path=FileSize}" />
<GridViewColumn Header="Creation Date" DisplayMemberBinding="{Binding Path=CreateDate}" />
<GridViewColumn Header="Modified Date" DisplayMemberBinding="{Binding Path=ModifiedDate}" />
</GridView>
</ListView.View>
</ListView>
</Grid>