在进行列表信息展示时,WPF中提供多种列表可供选择。这篇博客将对WPF ItemsControl, ListBox, ListView进行比较。
相同点:
1. 这三个控件都是列表型控件,可以进行列表绑定(ItemsSource);
2. 这三个控件均使用ItemsPresenter来展示列表信息;
不同点:
控件层次关系:
System.Object
System.Windows.Threading.DispatcherObject
System.Windows.DependencyObject
System.Windows.Media.Visual
System.Windows.UIElement
System.Windows.FrameworkElement
System.Windows.Controls.Control
System.Windows.Controls.ItemsControl
System.Object
System.Windows.Threading.DispatcherObject
System.Windows.DependencyObject
System.Windows.Media.Visual
System.Windows.UIElement
System.Windows.FrameworkElement
System.Windows.Controls.Control
System.Windows.Controls.ItemsControl
System.Windows.Controls.Primitives.Selector
System.Windows.Controls.ListBox
ListBox 继承于ItemsControl,增加了一个Selector对象,ItemsControl中的Item是不支持选择的。而ListBox中Item是支持选择,并且可以单选,多选。
System.Object
System.Windows.Threading.DispatcherObject
System.Windows.DependencyObject
System.Windows.Media.Visual
System.Windows.UIElement
System.Windows.FrameworkElement
System.Windows.Controls.Control
System.Windows.Controls.ItemsControl
System.Windows.Controls.Primitives.Selector
System.Windows.Controls.ListBox
System.Windows.Controls.ListView
ListView继承与ListBox,增加了一个View依赖属性。
ItemsControl是不包含水平和垂直方向的滚动条的。ListBox和ListView有水平和垂直方向滚动条。
ItemControl的样式:
<ResourceDictionary
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Style x:Key="ItemsControlDefaultStyle" TargetType="{x:Type ItemsControl}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ItemsControl}">
<Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}"
Padding="{TemplateBinding Padding}" SnapsToDevicePixels=“true”>
<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<!– Resource dictionary entries should be defined here. –>
</ResourceDictionary>
ListBox和ListView的样式基本一样,除了TargetType外,
<ResourceDictionary
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<SolidColorBrush x:Key="ListBorder" Color="#828790"/>
<Style x:Key="ListBoxDefaultStyle" TargetType="{x:Type ListBox}">
<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/>
<Setter Property="BorderBrush" Value="{StaticResource ListBorder}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
<Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
<Setter Property="ScrollViewer.PanningMode" Value="Both"/>
<Setter Property="Stylus.IsFlicksEnabled" Value="False"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBox}">
<Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="1"
SnapsToDevicePixels=“true”>
<ScrollViewer Focusable=“false” Padding="{TemplateBinding Padding}">
<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
</ScrollViewer>
</Border>
<ControlTemplate.Triggers>
<Trigger Property=“IsEnabled” Value=“false”>
<Setter Property=“Background” TargetName=“Bd” Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/>
</Trigger>
<Trigger Property=“IsGrouping” Value=“true”>
<Setter Property=“ScrollViewer.CanContentScroll” Value=“false”/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<!– Resource dictionary entries should be defined here. –>
</ResourceDictionary>
在项目中如何选择使用这三个控件;
1. 如果列表信息只做展示,但不提供选择功能,可以使用ItemsControl;
2. ListView比ListBox增加了一个View属性。
示例代码:
ItemsControl vs ListBox (Selector)
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<span style="color: #008000;"><!--</span><span style="color: #008000;">ItemsControl</span><span style="color: #008000;">--></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">TextBlock </span><span style="color: #ff0000;">Text</span><span style="color: #0000ff;">="ItemsControl"</span><span style="color: #ff0000;"> FontSize</span><span style="color: #0000ff;">="18"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ItemsControl </span><span style="color: #ff0000;">ItemsSource</span><span style="color: #0000ff;">="</span><span style="color: #808000;">{Binding .}</span><span style="color: #0000ff;">"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ItemsControl.ItemTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">DataTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Grid</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Ellipse </span><span style="color: #ff0000;">Width</span><span style="color: #0000ff;">="110"</span><span style="color: #ff0000;"> Height</span><span style="color: #0000ff;">="55"</span><span style="color: #ff0000;"> Fill</span><span style="color: #0000ff;">="#ebebee"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">TextBlock </span><span style="color: #ff0000;">Text</span><span style="color: #0000ff;">="</span><span style="color: #808000;">{Binding Priority}</span><span style="color: #0000ff;">"</span><span style="color: #ff0000;"> FontSize</span><span style="color: #0000ff;">="16"</span><span style="color: #ff0000;"> HorizontalAlignment</span><span style="color: #0000ff;">="Center"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">TextBlock </span><span style="color: #ff0000;">Text</span><span style="color: #0000ff;">="</span><span style="color: #808000;">{Binding Name}</span><span style="color: #0000ff;">"</span><span style="color: #ff0000;"> FontSize</span><span style="color: #0000ff;">="16"</span><span style="color: #ff0000;"> HorizontalAlignment</span><span style="color: #0000ff;">="Center"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">Grid</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">DataTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ItemsControl.ItemTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ItemsControl.ItemsPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ItemsPanelTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">WrapPanel </span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ItemsPanelTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ItemsControl.ItemsPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ItemsControl.ItemContainerStyle</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Style</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Setter </span><span style="color: #ff0000;">Property</span><span style="color: #0000ff;">="Control.Margin"</span><span style="color: #ff0000;"> Value</span><span style="color: #0000ff;">="5"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">Style</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ItemsControl.ItemContainerStyle</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ItemsControl</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">></span>
<span style="color: #008000;"><!--</span><span style="color: #008000;">ListBox</span><span style="color: #008000;">--></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">StackPanel </span><span style="color: #ff0000;">Grid.Row</span><span style="color: #0000ff;">="1"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">TextBlock </span><span style="color: #ff0000;">Text</span><span style="color: #0000ff;">="ListBox"</span><span style="color: #ff0000;"> FontSize</span><span style="color: #0000ff;">="18"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ListBox </span><span style="color: #ff0000;">ItemsSource</span><span style="color: #0000ff;">="</span><span style="color: #808000;">{Binding .}</span><span style="color: #0000ff;">"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ListBox.ItemTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">DataTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Grid</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Ellipse </span><span style="color: #ff0000;">Width</span><span style="color: #0000ff;">="110"</span><span style="color: #ff0000;"> Height</span><span style="color: #0000ff;">="55"</span><span style="color: #ff0000;"> Fill</span><span style="color: #0000ff;">="#ebebee"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">TextBlock </span><span style="color: #ff0000;">Text</span><span style="color: #0000ff;">="</span><span style="color: #808000;">{Binding Priority}</span><span style="color: #0000ff;">"</span><span style="color: #ff0000;"> FontSize</span><span style="color: #0000ff;">="16"</span><span style="color: #ff0000;"> HorizontalAlignment</span><span style="color: #0000ff;">="Center"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">TextBlock </span><span style="color: #ff0000;">Text</span><span style="color: #0000ff;">="</span><span style="color: #808000;">{Binding Name}</span><span style="color: #0000ff;">"</span><span style="color: #ff0000;"> FontSize</span><span style="color: #0000ff;">="16"</span><span style="color: #ff0000;"> HorizontalAlignment</span><span style="color: #0000ff;">="Center"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">Grid</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">DataTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ListBox.ItemTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ListBox.ItemsPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ItemsPanelTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ItemsPanelTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ListBox.ItemsPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ListBox.ItemContainerStyle</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Style</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Setter </span><span style="color: #ff0000;">Property</span><span style="color: #0000ff;">="Control.Width"</span><span style="color: #ff0000;"> Value</span><span style="color: #0000ff;">="120"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">Setter </span><span style="color: #ff0000;">Property</span><span style="color: #0000ff;">="Control.Margin"</span><span style="color: #ff0000;"> Value</span><span style="color: #0000ff;">="5"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">Style</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ListBox.ItemContainerStyle</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ListBox.Template</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ControlTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ScrollViewer </span><span style="color: #ff0000;">HorizontalScrollBarVisibility</span><span style="color: #0000ff;">="Auto"</span><span style="color: #ff0000;"> VerticalScrollBarVisibility</span><span style="color: #0000ff;">="Auto"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ItemsPresenter</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ScrollViewer</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ControlTemplate</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ListBox.Template</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">ListBox</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">StackPanel</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">Grid</span><span style="color: #0000ff;">></span></pre>
C#
public class Task
{
public string Name { get; set; }
public int Priority { get; set; }
}
ObservableCollection</span><span style="color: #0000ff;"><</span><span style="color: #800000;">Task</span><span style="color: #0000ff;">></span><span style="color: #000000;"> _tasks = null;
public MainWindow()
{
InitializeComponent();
_tasks = new ObservableCollection</span><span style="color: #0000ff;"><</span><span style="color: #800000;">Task</span><span style="color: #0000ff;">></span><span style="color: #000000;">()
{
new Task() { Name = "Shopping",Priority = 2 },
new Task() { Name = "Laundry",Priority = 2 },
new Task() { Name = "Email",Priority = 1 },
new Task() { Name = "Writting",Priority = 2 },
new Task() { Name = "Learning",Priority = 2 },
new Task() { Name = "Working",Priority = 2 },
};
DataContext = _tasks;
}</span></pre>
运行效果:

ListView View属性的使用
<ListView ItemsSource="{Binding .}">
<ListView.View>
<GridView>
<GridView.Columns>
<GridViewColumn Header="Task Name" DisplayMemberBinding="{Binding Name}" Width="100"/>
<GridViewColumn Header="Task Priority" DisplayMemberBinding="{Binding Priority}" Width="100"/>
</GridView.Columns>
</GridView>
</ListView.View>
</ListView>
运行效果:

感谢您的阅读,代码点击这里下载。
本文对比了WPF中ItemsControl、ListBox和ListView三个列表控件的特性与用途。ItemsControl适用于只展示列表信息,ListBox增加了选择功能,ListView在此基础上提供了View属性,支持更复杂的数据视图定制。

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