c# - Matching listview header to column dynamically uwp -


this how listview looks, headers scale relativepanel outside columns stay same width

<grid name="listviewgrid" horizontalalignment="stretch">             <grid.rowdefinitions>                 <rowdefinition height="auto" />                 <rowdefinition />             </grid.rowdefinitions>              <grid x:name="listviewgrid" >                 <grid.columndefinitions>                     <columndefinition width="*" />                 </grid.columndefinitions>                 <textblock grid.column="0" text="observation id" />             </grid>              <listview x:name="listview" grid.row="1" itemssource="{binding observations}" horizontalalignment="stretch">                 <listview.itemtemplate>                     <datatemplate>                         <grid width="{binding elementname=listviewgrid, path=actualwidth}">                             <grid.columndefinitions>                                 <columndefinition width="*" />                             </grid.columndefinitions>                             <textblock grid.column="0" text="{binding observationid}" />                         </grid>                     </datatemplate>                 </listview.itemtemplate>             </listview>         </grid>

i've removed things make more readable, appreciated

first of all, makes no sense if set 1 columndefinition in grid did in listviewgrid , in datatemplate. it's not big problem, guess removed them make code more readable, good.

secondly, in uwp, width="{binding elementname=listviewgrid, path=actualwidth}", actualwidth not dependency property, cannot used data binding. can refer remarks of frameworkelement.actualwidth property.

i guess need stretch listviewitem, can code this:

<listview>     <listview.itemcontainerstyle>         <style targettype="listviewitem">             <setter property="horizontalcontentalignment" value="stretch" />         </style>     </listview.itemcontainerstyle> ... </listview>

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