bool execCommand(String commandId, [bool showUI, String value])

Source

bool execCommand(String commandId, [bool showUI, String value]) {
  if (value != null) {
    return _blink.BlinkDocument.instance.execCommand_Callback_3_(unwrap_jso(this), commandId, showUI, value);
  }
  if (showUI != null) {
    return _blink.BlinkDocument.instance.execCommand_Callback_2_(unwrap_jso(this), commandId, showUI);
  }
  return _blink.BlinkDocument.instance.execCommand_Callback_1_(unwrap_jso(this), commandId);
}