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                TreeView控件可以通過HierarchicalDataTemplate 和?DataTemplate來自定義。 1)HierarchicalDataTemplate用來支持HeaderedItemsControl,其中DataType指定當前的數據類型, 只有符合這個類型才使用HierarchicalDataTemplate;ItemsSource用來指定ItemsHost;內部的自定義實現(TextBlock)指定當前數據類型如何渲染,注意:不是子節點。 <HierarchicalDataTemplate DataType? ? = "{x:Type src:League}" ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ItemsSource = "{Binding Path=Divisions}"> ? ? ? <TextBlock Text="{Binding Path=Name}"/> ? ? </HierarchicalDataTemplate> 2)對于TreeView控件, 我們可以只指定一個HierarchicalDataTemplate, 而保證數據結構每層的ItemSource的類型名一樣, 每層的數據層需要渲染的數據一樣。 public class Node { ??? public string Name {get; set;} ??? public string Id {get; set;} ??? public List<Node> Nodes {get; set;} } <HierarchicalDataTemplate? ?ItemsSource = "{Binding Path=Nodes}"> ? ? ? <TextBlock Text="{Binding Path=Name}"/> ? ? </HierarchicalDataTemplate> 3)另外一種就是如1)所示, 我們可以針對每層的數據層指定HierarchicalDataTemplate,? <Window x:Class="SDKSample.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="HierarchicalDataTemplate Sample" xmlns:src="clr-namespace:SDKSample"> <DockPanel> ?? <DockPanel.Resources> ???? <src:ListLeagueList x:Key="MyList"/> ???? <HierarchicalDataTemplate DataType??? = "{x:Type src:League}" ?????????????????????????????? ItemsSource = "{Binding Path=Divisions}"> ?????? <TextBlock Text="{Binding Path=Name}"/> ???? </HierarchicalDataTemplate> ???? <HierarchicalDataTemplate DataType??? = "{x:Type src:Division}" ?????????????????????????????? ItemsSource = "{Binding Path=Teams}"> ?????? <TextBlock Text="{Binding Path=Name}"/> ???? </HierarchicalDataTemplate> ???? <DataTemplate DataType="{x:Type src:Team}"> ?????? <TextBlock Text="{Binding Path=Name}"/> ???? </DataTemplate> ?? </DockPanel.Resources> ?? <Menu Name="menu1" DockPanel.Dock="Top" Margin="10,10,10,10"> ?????? <MenuItem Header="My Soccer Leagues" ???????????????? ItemsSource="{Binding Source={StaticResource MyList}}" /> ?? </Menu> ?? <TreeView> ???? <TreeViewItem ItemsSource="{Binding Source={StaticResource MyList}}" Header="My Soccer Leagues" /> ?? </TreeView> </DockPanel> </Window>
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