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如何在 WPF/XAML中以红色突出显示的视图创建一个小表单
以及当我按下按钮创建新选项时如何链接确定更新选项并选择这个新选项
使用弹出窗口
<Popup Name="Popup" PlacementTarget="{Binding ElementName=AddButton}" StaysOpen="False"> ... Add content here ... </Popup>