ArcGISWindowsPhoneSDK.FeatureLayerFromJson.ClearMapButton_Click C# (CSharp) Method

        private void ClearMapButton_Click(object sender, EventArgs e)
        {
            List<FeatureLayer> featureLayers = new List<FeatureLayer>();

            foreach (Layer layer in MyMap.Layers)
                if (layer is FeatureLayer)
                    featureLayers.Add(layer as FeatureLayer);

            for (int i = 0; i < featureLayers.Count; i++)
                MyMap.Layers.Remove(featureLayers[i]);
        }