Ā« Gecko Roles Page Represents a combo box; an edit control with an associated list box that provides a set of predefined choices. Mapped to AT-SPI: ROLE_RADIO_BUTTON ATK: ATK_ROLE_RADIO_BUTTON UA: NSAccessibilityRadioButtonRole MSAA/IA2: ROLE_SYSTEM_RADIOBUTTON Used by ARIA: combobox HTML: <select>