Sample: dhtmlxToolbar Button Select Listed Option State dhtmlxToolbar main page
X
 
<script>
 
    var webBar = new dhtmlXToolbarObject("toolbarObj");
    ...
    // enabling a listed option
    webBar.enableListOption(itemId, optionId);
    // disabling a listed option
    webBar.disableListOption(itemId, optionId);
    // is a listed option enabled
    var isEnabled = webBar.isListOptionEnabled(itemId, optionId);
</script>