<?phpclass Combobox06 extends Page { public function InitializeComponent() { parent::$PAGE_TITLE = "Tutorial : ComboBox with form, callback method on change"; $form = new Form($this); $combo = new ComboBox($form); $combo->addItem("value 1", "value 1"); $combo->addItem("value 2", "value 2"); $combo->addItem("value 3", "value 3"); $combo->onChange("onChangeCombo"); $form->setContent($combo); $this->render = $form; $this->render = new WSPObject($this->render, "<br/>"); } public function onChangeCombo($sender) { $this->addObject(new JavaScript("alert('change');")); }}?>