treeView控件如何在SelectedItemChanged 事件中改变点击节点的内容
treeView 控件XAML代码:
<common:HierarchicalDataTemplate x:Key="NodeTemplate" ItemsSource="{Binding Subcomponents}" ItemContainerStyle="{StaticResource PurpleItemStyle}">
<StackPanel Orientation="Horizontal" ToolTipService.ToolTip="{Binding Description}">
<TextBlock Text="{Binding FeatureName}" Foreground="Blue" />
<Image x:Name="btnDelete" Source="{Binding Icon}"></Image>
</StackPanel>
</common:HierarchicalDataTemplate>
<controls:TreeView x:Name="tvFeature"
FontSize="12" Margin="0,35,58,-444" ItemTemplate="{StaticResource NodeTemplate}" Grid.ColumnSpan="2" SelectedItemChanged="tvFeature_SelectedItemChanged">
<!-- 用来一次展开TreeView所有结点 -->
<controls:TreeView.ItemContainerStyle>
<Style TargetType="controls:TreeViewItem">
<Setter Property="IsExpanded" Value="False" />
</Style>
</controls:TreeView.ItemContainerStyle>
</controls:TreeView>
以上是XAML代码,我想在SelectedItemChanged 事件中改变一下 btnDelete 的图片地址 我该在SelectedItemChanged如何写呢..
谢谢