OpenMetaverse.GridManager.GetGridRegion C# (CSharp) Method

        public bool GetGridRegion(string name, GridLayerType layer, out GridRegion region)
        {
            if (String.IsNullOrEmpty(name))
            {
                Logger.Log("GetGridRegion called with a null or empty region name", Helpers.LogLevel.Error, Client);
                region = new GridRegion();
                return false;
            }

            // All lookups are done using lowercase sim names
            name = name.ToLower();

            if (Regions.ContainsKey(name))
            {
                // We already have this GridRegion structure
                region = Regions[name];
                return true;
            }
            else
            {
                AutoResetEvent regionEvent = new AutoResetEvent(false);
                GridRegionCallback callback =
                    delegate(GridRegion gridRegion)
                    {
                        if (gridRegion.Name == name)
                            regionEvent.Set();
                    };
                OnGridRegion += callback;

                RequestMapRegion(name, layer);
                regionEvent.WaitOne(Client.Settings.MAP_REQUEST_TIMEOUT, false);

                OnGridRegion -= callback;

                if (Regions.ContainsKey(name))
                {
                    // The region was found after our request
                    region = Regions[name];
                    return true;
                }
                else
                {
                    Logger.Log("Couldn't find region " + name, Helpers.LogLevel.Warning, Client);
                    region = new GridRegion();
                    return false;
                }
            }
        }