// We must ensure that it persists for as long as it is being displayed
// (that is, for as long as the control is displayed or until we call
// CtlSetLabel() with a new string), and we must free the string after
// We must ensure that it persists for as long as it is being displayed
// (that is, for as long as the control is displayed or until we call
// CtlSetLabel() with a new string), and we must free the string after