原文:WPF,ListView设置分组

今天遇到一个问题,就是在ListView中设置分组。想了很久在网上早了些资料作出一个例子。

分组字段也可以在后台中定义:
    CollectionView view = (CollectionView)CollectionViewSource.GetDefaultView(listView1.ItemsSource);
PropertyGroupDescription groupDescription = new PropertyGroupDescription("Country");
view.GroupDescriptions.Add(groupDescription); //或者
var sourceView = new ListCollectionView(Trades);
var groupDesctripition = new PropertyGroupDescription("Country");
sourceView.GroupDescriptions.Add(groupDesctripition);
listView1.ItemsSource = sourceView;

XAML

  <Window.Resources>
<CollectionViewSource x:Key="trades" Source="{Binding}">
<CollectionViewSource.GroupDescriptions>
<PropertyGroupDescription PropertyName="Country"/>
</CollectionViewSource.GroupDescriptions>
</CollectionViewSource> </Window.Resources>
<Grid>
<TextBox Height="23" HorizontalAlignment="Left" Margin="114,35,0,0" Name="textBox1" VerticalAlignment="Top" Width="211" />
<ListView Height="224" HorizontalAlignment="Left" Margin="68,81,0,0"
Name="listView1" VerticalAlignment="Top" Width="460" ItemsSource="{Binding Source={StaticResource trades}}">
<ListView.View>
<GridView>
<GridViewColumn DisplayMemberBinding="{Binding TradeType}" Header="TradeType" Width="100" />
<GridViewColumn DisplayMemberBinding="{Binding Units}" Header="Units" Width="100"/>
<GridViewColumn DisplayMemberBinding="{Binding USDAmount, StringFormat=C}" Header="USDAmount" Width="100"/>
</GridView>
</ListView.View>
<ListView.GroupStyle>
<GroupStyle>
<GroupStyle.ContainerStyle>
<Style TargetType="{x:Type GroupItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type GroupItem}">
<Expander IsExpanded="True" BorderBrush="#EA1730" BorderThickness="0,0,0,1">
<Expander.Header>
<DockPanel>
<TextBlock FontWeight="Bold" Text="{Binding Path=Name}" Margin="5,0,0,0" Width="150"/>
<TextBlock FontWeight="Bold" Text="{Binding Path=ItemCount}"/>
</DockPanel>
</Expander.Header>
<Expander.Content>
<Grid>
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<ItemsPresenter Grid.Row="0"/>
</Grid>
</Expander.Content>
</Expander>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</GroupStyle.ContainerStyle>
</GroupStyle>
</ListView.GroupStyle>
</ListView>
</Grid>
  public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
ObservableCollection<TradeTest> Trades = new ObservableCollection<TradeTest>();
Trades.Add(new TradeTest() { TradeType = "Subscription1", Units = , USDAmount = , Country = "UNITED STATES" });
Trades.Add(new TradeTest() { TradeType = "Subscription2", Units = , USDAmount = , Country = "UNITED STATES" });
Trades.Add(new TradeTest() { TradeType = "Subscription3", Units = , USDAmount = , Country = "UNITED STATES" }); Trades.Add(new TradeTest() { TradeType = "Subscription4", Units = , USDAmount = , Country = "UNITED KINGDOM" });
Trades.Add(new TradeTest() { TradeType = "Subscription5", Units = , USDAmount = , Country = "UNITED KINGDOM" });
Trades.Add(new TradeTest() { TradeType = "Subscription6", Units = , USDAmount = , Country = "UNITED KINGDOM" });
Trades.Add(new TradeTest() { TradeType = "Subscription7", Units = , USDAmount = , Country = "UNITED KINGDOM" });
Trades.Add(new TradeTest() { TradeType = "Subscription8", Units = , USDAmount = , Country = "UNITED KINGDOM" }); Trades.Add(new TradeTest() { TradeType = "Subscription9", Units = , USDAmount = , Country = "UNITED" });
Trades.Add(new TradeTest() { TradeType = "Subscription10", Units = , USDAmount = , Country = "UNITED" });
Trades.Add(new TradeTest() { TradeType = "Subscription11", Units = , USDAmount = , Country = "UNITED" });
Trades.Add(new TradeTest() { TradeType = "Subscription12", Units = , USDAmount = , Country = "UNITED" });
this.DataContext = Trades;
}
}
public class TradeTest
{
private string _tradetype;
private int _units;
private float _amount;
private string _country; public string TradeType
{
get { return _tradetype; }
set { _tradetype = value; }
}
public int Units
{
get { return _units; }
set { _units = value; }
}
public float USDAmount
{
get { return _amount; }
set { _amount = value; }
}
public string Country
{
get { return _country; }
set { _country = value; }
}
}

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