OpenMetaverse.ObjectManager.RequestObjectMedia C# (CSharp) Method

        public void RequestObjectMedia(UUID primID, Simulator sim, ObjectMediaCallback callback)
        {
            Uri url;
            if (sim.Caps != null && null != (url = sim.Caps.CapabilityURI("ObjectMedia")))
            {
                ObjectMediaRequest req = new ObjectMediaRequest();
                req.PrimID = primID;
                req.Verb = "GET";

                CapsClient request = new CapsClient(url);
                request.OnComplete += (CapsClient client, OSD result, Exception error) =>
                    {
                        if (result == null)
                        {
                            Logger.Log("Failed retrieving ObjectMedia data", Helpers.LogLevel.Error, Client);
                            try { callback(false, string.Empty, null); }
                            catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client); }
                            return;
                        }

                        ObjectMediaMessage msg = new ObjectMediaMessage();
                        msg.Deserialize((OSDMap)result);

                        if (msg.Request is ObjectMediaResponse)
                        {
                            ObjectMediaResponse response = (ObjectMediaResponse)msg.Request;

                            if (Client.Settings.OBJECT_TRACKING)
                            {
                                Primitive prim = sim.ObjectsPrimitives.Find((Primitive p) => { return p.ID == primID; });
                                if (prim != null)
                                {
                                    prim.MediaVersion = response.Version;
                                    prim.FaceMedia = response.FaceMedia;
                                }
                            }

                            try { callback(true, response.Version, response.FaceMedia); }
                            catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client); }
                        }
                        else
                        {
                            try { callback(false, string.Empty, null); }
                            catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client); }
                        }
                    };

                request.BeginGetResponse(req.Serialize(), OSDFormat.Xml, Client.Settings.CAPS_TIMEOUT);
            }
            else
            {
                Logger.Log("ObjectMedia capability not available", Helpers.LogLevel.Error, Client);
                try { callback(false, string.Empty, null); }
                catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, Client); }
            }
        }