mFilter(filter), mClosure(closure)
mFilter(filter)
nsMsgDBThreadEnumerator::nsMsgDBThreadEnumerator(nsMsgDatabase* db,                                     nsMsgDBThreadEnumeratorFilter filter, void* closure)    : mDB(db), mTableCursor(nsnull), mResultThread(nsnull), mDone(PR_FALSE),      mFilter(filter), mClosure(closure){    NS_INIT_REFCNT();    NS_ADDREF(mDB);	mNextPrefetched = PR_FALSE;}