private void hideTip(boolean forceHide){
  if (currentDialog != null) {
    if (forceHide || currentDialog.isUndecorated()) {
      currentDialog.dispose();
      state=State.DISPOSED;
    }
  }
}

private void hideTip ( boolean forceHide ) { if ( currentDialog != null ) { if ( forceHide || currentDialog . isUndecorated ( ) ) { currentDialog . dispose ( ) ; state = State . DISPOSED ; } } }
hides the tooltip dialog if it is not decorated .
