Dojo Multiselect refresh problem in IE

Dojo Multiselect refresh problem in IE when remove all the domNodes and add options again : Solution

this.containerNode.appendChild(n);
if(dojo.isIE){ // tweak the node to force IE to refresh

    var s = dojo.getComputedStyle(n);
    if(s){
        var filter = s.filter;
        n.style.filter = "alpha(opacity=99)";
        n.style.filter = filter;
    }
}

Reference:
http://dojoapi-mirror.devs.nu/jsdoc/dijit/1.2/dijit.form.MultiSelect.addSelected