public void unscheduleUpdateForTarget(System.Object target){
if(target == null)
return;
tHashUpdateEntry element = hashForUpdates.HASH_FIND_INT (target.GetHashCode());
if (element != null) {
if(updateHashLocked)
element.entry.obj.markedForDeletion = true;
else
removeUpdatesFromHash(element.entry);
}
}