Sample configuration.
<unselectall>
  <name>W_MyUnselectAll</name>
  <options/>
</unselectall>
This widget must be drawn inside a GeoExtToolbar widget :
<geoexttoolbar>
  <name>W_MyGeoExtToolbar</name>
  <options>
    <widgets>
      <widget>W_MyUnselectAll</widget>
    </widgets>
  </options>
</geoexttoolbar>
There are no mandatory options for this widget.
There are no optional options for this widget.
N/A
N/A