private void ExecuteError(int errcode, string errmessage)
                {
                    try
                    {
                        System.Diagnostics.Debug.WriteLine("GeoLocation.ExecuteError");

                        System.Func <Jint.Native.JsValue, Jint.Native.JsValue[], Jint.Native.JsValue> _func = _funcError as System.Func <Jint.Native.JsValue, Jint.Native.JsValue[], Jint.Native.JsValue>;
                        Jint.Native.Function.ScriptFunctionInstance JintScript = _func.Target as Jint.Native.Function.ScriptFunctionInstance;
                        Jint.Engine _JintEngine = JintScript.Engine;

                        JsValue   A = new JsValue(1);
                        JsValue[] B = new Jint.Native.JsValue[1];

                        Jint.Native.Json.JsonParser _jsp = new Jint.Native.Json.JsonParser(_JintEngine);
                        String FormatString = "{{\"code\":{0}, \"message\":\"{1}\"}}";
                        String Error        = String.Format(FormatString, errcode, errmessage);
                        B[0] = _jsp.Parse(Error);

                        _func.Invoke(A, B);
                    }
                    catch (Exception exp)
                    {
                        System.Diagnostics.Debug.WriteLine("Exception" + exp.Message);
                    }
                }
                private void ExecuteSuccess(Geoposition _pos)
                {
                    try
                    {
                        System.Diagnostics.Debug.WriteLine("GeoLocation.ExecuteSuccess");

                        System.Func <Jint.Native.JsValue, Jint.Native.JsValue[], Jint.Native.JsValue> _func = _funcSuccess as System.Func <Jint.Native.JsValue, Jint.Native.JsValue[], Jint.Native.JsValue>;
                        Jint.Native.Function.ScriptFunctionInstance JintScript = _func.Target as Jint.Native.Function.ScriptFunctionInstance;
                        Jint.Engine _JintEngine = JintScript.Engine;

                        JsValue   A = new JsValue(1);
                        JsValue[] B = new JsValue[1];

                        Jint.Native.Json.JsonParser _jsp = new Jint.Native.Json.JsonParser(_JintEngine);
                        String FormatString = "{{\"coords\":{{\"latitude\":{0}, \"longitude\":{1}}}}}";
                        String Coordinates  = String.Format(FormatString, _pos.Coordinate.Latitude, _pos.Coordinate.Longitude);
                        B[0] = _jsp.Parse(Coordinates);

                        _func.Invoke(A, B);
                    }
                    catch (Jint.Runtime.JavaScriptException exc)
                    {
                        System.Diagnostics.Debug.WriteLine("JavaScriptException" + exc.Message + " " + exc.LineNumber);
                    }
                    catch (Exception e)
                    {
                        System.Diagnostics.Debug.WriteLine("Exception" + e.Message);

                        ExecuteError(e.HResult, e.Message);
                    }
                }