c# - Listview with multiple columns not acting properly when height of Item expanded -


hello need multicolumn control variable heights , expand/collapse capability. approach far this-

<listview grid.row="1" itemssource="{binding mycollection}" scrollviewer.horizontalscrollbarvisibility="disabled" grid.issharedsizescope="true" verticalcontentalignment="center">     <listview.itemspanel>         <itemspaneltemplate>             <wrappanel></wrappanel>         </itemspaneltemplate>     </listview.itemspanel>     <listview.itemtemplate>         <datatemplate>             <control:ucnewsfeed margin="6" datacontext="{binding post}" />         </datatemplate>     </listview.itemtemplate> </listview>

please notice ucnewsfeed usercontrol given below-

   <grid x:name="maingrid">             <grid.rowdefinitions>                 <rowdefinition height="57"/>                 <rowdefinition height="auto"/>                           </grid.rowdefinitions>             <grid x:name="namepanel">                  <stackpanel x:name="namecontainer">                       <textblock>lamia mehreen</textblock>                       <textblock>monday @ 12:02pm</textblock>                       <button/>                  </stackpanel>             </grid>             <border x:name="hiddenpanel" visibility="collapsed" grid.row="1">                     <stackpanel x:name="editpanel" orientation="horizontal">                             <richtextbox/>                             <button margin="0" foreground="{x:null}" style="{dynamicresource buttonstyle1}" borderthickness="0" background="{x:null}" borderbrush="{x:null}" focusable="false" horizontalalignment="center" verticalalignment="center" padding="0" width="37" height="37"/>                     </stackpanel>              </border>         </grid>

enter image description here layout far okay. problem arises when "hiddenpanel"'s visibility switched visible code behind. entire row of listview gets height of selected row.

i need expand 1 cell only, not entire row.enter image description here please suggest approach might come in handy. (i have simplified xaml easy reading, might not attached images)


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