protected void renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer) throws java.io.IOException { super.renderProperties(renderer); if (_init) _init = false; if (_value != null) render(renderer, "value", _value); if (_autodisable != null) render(renderer, "autodisable", _autodisable); render(renderer, "disabled", _disabled); render(renderer, "name", _name); render(renderer, "indeterminate", _indeterminate); if (_checked) render(renderer, "checked", _checked); }