public void WaitUntilAllViewersAreUptoDate(){
  while (!isAllViewersUptodate()) {
    try {
      Thread.sleep(10);
    }
 catch (    Exception e) {
    }
  }
}

public void WaitUntilAllViewersAreUptoDate ( ) { while ( ! isAllViewersUptodate ( ) ) { try { Thread . sleep ( 10 ) ; } catch ( Exception e ) { } } }
waits until all viewers are uptodate
