[scriptable, uuid(2f977d49-5485-11d4-87e2-0010a4e75ef2)]

  
interface nsICloseAllWindows : nsISupports


  

          
Methods

    

              

          
 Closes all open windows, optionally asking to confirm changes if any.
 @return TRUE if the user does not cancel from any confirmation dialog.


          

  
    
    boolean
  closeAll(in boolean askSave)