GetTrackerWindowFile
foundRef = GetTrackerWindowFile(&nextRef,
if (GetTrackerWindowFile(&nextRef, (msg->what == M_NEXTMSG))) {
fNextTrackerPositionSaved = GetTrackerWindowFile(&fNextRef, true);
fPrevTrackerPositionSaved = GetTrackerWindowFile(&fPrevRef, false);
bool GetTrackerWindowFile(entry_ref*,