wpf - Bind same Popup to multiple ElementName -


i have multiple tabs , in each tab, there button triggers same popup. problem since use same ispopupopen check , display popup, 3 popups show everytime.

    <popup isopen="{binding ispopupopen}"            placementtarget="{binding elementname=a}" placement="center">         ... same contents ...     </popup>      <popup isopen="{binding ispopupopen}"            placementtarget="{binding elementname=b}" placement="center">         ... same contents ...     </popup>      <popup isopen="{binding ispopupopen}"            placementtarget="{binding elementname=c}" placement="center">         ... same contents ...     </popup>

placementtarget="{binding elementname={binding ename}}" there can bind elementname change or something?

i used mvvm, prefer none-code-behind suggestion.


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