ArcGISWindowsPhoneSDK.FeatureSetJson.featureLayer_InitializationFailed C# (CSharp) 메소드

        void featureLayer_InitializationFailed(object sender, EventArgs e)
        {
            MessageBox.Show("Url must reference a feature layer in a map or feature service.",
               "FeatureLayer initialization failed", MessageBoxButton.OK);
        }