WPF TreeView 节点选择与展开的绑定

<TreeView.ItemContainerStyle> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="IsExpanded" Value="{Binding IsExpanded,UpdateSourceTrigger=PropertyChanged,Mode=TwoWay}"/> <Setter Property="IsSelected" Value="{Binding IsSelected,UpdateSourceTrigger=PropertyChanged,Mode=TwoWay}"/> </Style> </TreeView.ItemContainerStyle>