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  • 当父级绑定了DataContext之内的数据源时,子级想重新绑回DataContext

    <Grid x:Name="NewDeploymentObjectPanel"
    Background="White"
    DataContext="{Binding Detail}">

      <Grid Grid.Row="13" DataContext="{Binding DataContext, RelativeSource={RelativeSource AncestorType=UserControl}}">//重新绑回,UserControl是父控件

      .....

      </Grid>

    </Grid>

     如下是treeitem的数据源重新绑定到treeview上

    <TreeView.ItemContainerStyle>
    <Style BasedOn="{StaticResource Comprehensive.TreeViewItemStyle}" TargetType="{x:Type TreeViewItem}">
    <Style.Resources>
    <ContextMenu x:Key="cm" DataContext="{Binding DataContext, RelativeSource={RelativeSource AncestorType=TreeView}}">

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  • 原文地址:https://www.cnblogs.com/zsx-blog/p/8041420.html
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