Question

wpf treeview节点标红

我想设置treeviwe上选中的节点为红色，怎么设置。。。。急！！！！！！

Answer 1

<Window x:Class="TreeViewSelectRed.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Window.Resources>
        <Style TargetType="TreeViewItem">
            <Style.Triggers>
                <Trigger Property="IsSelected" Value="True">
                    <Setter Property="Foreground" Value="Red"/>
                </Trigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <Grid>
        <TreeView FontSize="16">
            <TreeView.Items>
                <TreeViewItem Header="a">
                    <TreeViewItem>a1</TreeViewItem>
                    <TreeViewItem>a2</TreeViewItem>
                </TreeViewItem>
                <TreeViewItem Header="b">
                    <TreeViewItem>b1</TreeViewItem>
                    <TreeViewItem>b2</TreeViewItem>
                </TreeViewItem>
            </TreeView.Items>
        </TreeView>
    </Grid>
</Window>