C# Binding RelativeSource

<WrapPanel x:Name="WrapPanelName">
    <Border BorderThickness="1" BorderBrush="Blue">
        <TextBox x:Name="tbFindAncestor" Text="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type WrapPanel}}, Path=Name}" MinWidth="120"/>
    </Border>
</WrapPanel>

注：AncestorLevel指的是以Bingding目标控件为起点的层级偏移量，Border的偏移量是1，WrapPanel的偏移量是2, AncestorType指的是要找的目标对象的类型，AncestorLevel必须参考AncestorType使用，比如设置了AncestorType={x:Type WrapPanel}，则Bingding在寻找时会忽略非WrapPanel的控件，此时WrapPanel的偏移量是1，Border不是WrapPanel类型所以被忽略