我想在树视图中添加一些图标。有没有办法在XAML中做到这一点?
<TreeView Height="200" Name="treeView1" Width="120">
<TreeViewItem Header="Topic1" IsExpanded="True">
<TreeViewItem Header="Subtopic2" />
<TreeViewItem Header="Subtopic3" />
</TreeViewItem>
</TreeView>