class FChange::Notifier

def add_watcher(watcher)

Adds a new {Watcher} to the queue. 
def add_watcher(watcher)
  @watchers[watcher.id] = watcher
  @dwChangeHandles.push watcher.id
  # Pack event handles into newly created storage area 
  # to be used for Win32 call
  @lp_dwChangeHandles = dwChangeHandles.pack("L" * dwChangeHandles.count)
end