public void RemoveRegion(IScene scene)
{
if(!m_enabled)
return;
scene.EventManager.OnMakeRootAgent -= EventManager_OnMakeRootAgent;
scene.EventManager.OnMakeChildAgent -= EventManager_OnMakeChildAgent;
scene.EventManager.OnRemovePresence -= EventManager_OnRemovePresence;
scene.EventManager.OnChatFromClient -= EventManager_OnChatFromClient;
scene.EventManager.OnAvatarEnteringNewParcel -= EventManager_OnAvatarEnteringNewParcel;
}