wpf listview images

<listview x:name="lv">
<listview.itemspanel>
<itemspaneltemplate>
<stackpanel orientation="vertical"/>
</itemspaneltemplate>
</listview.itemspanel>
<listview.itemtemplate>
<datatemplate>
<stackpanel>
<image source="{binding imagepath}" horizontalalignment="center" verticalalignment="center" width="500" height="500"/>
</stackpanel>
</datatemplate>
</listview.itemtemplate>
</listview>