WPF TabItem 标题图像
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WPF TabItem Header Images
提问by user64718
I've got a TabControl in WPF with 3 tabs, and each tab has an image next to the title of the tab. Here's an example
我在 WPF 中有一个带有 3 个选项卡的 TabControl，每个选项卡的标题旁边都有一个图像。这是一个例子
<TabItem>
<TabItem.Header>
<StackPanel Orientation="Horizontal">
<Image Name="img" Height="auto" Width="auto" Source="images/1.png" />
<TextBlock Text="Login" Margin="2,0,0,0" VerticalAlignment="Center" />
</StackPanel>
</TabItem.Header>
</TabItem>
When the tab is selected the text is black and the background is white, when its not it's a light gray color and a slightly darker text. This works great, but what I can't figure out is how to change the images on the tabs that aren't selected? Right now the images all look the same, green circle with a number inside, but when a tab is not selected I'd like it to change to a different image, i.e. images/1_notselected.png and images/2_notselected.png when tab is is the selected one. Thanks!
When the tab is selected the text is black and the background is white, when its not it's a light gray color and a slightly darker text. 这很好用，但我不知道如何更改未选择的选项卡上的图像？现在图像看起来都一样，里面有一个数字的绿色圆圈，但是当没有选择标签时，我希望它更改为不同的图像，即当标签被选中时，images/1_notselected.png 和 images/2_notselected.png是被选中的。谢谢！
回答by viky
declare a style for TabItem, and inside style change the image in a trigger.
为 TabItem 声明样式，并在样式内部更改触发器中的图像。
Declare a HeaderTemplate and then use Trigger like this:
声明一个 HeaderTemplate，然后像这样使用 Trigger：
<Trigger Property="IsSelected" Value="True">
<Setter Property="Source" TargetName="img" Value="images/customimage.png"/>
</Trigger>
