rem: WMPostNotificationName(WMPushedRadioNotification, bPtr, NULL);
context: WMSetButtonSelected(WMButton *bPtr, int isSelected){    bPtr->flags.selected = isSelected;     WMPostNotificationName(WMPushedRadioNotification, bPtr, NULL);        if (bPtr->view->flags.realized) {	paintButton(bPtr);    }}