ArcGISRuntime.UWP.Samples.AnalyzeViewshed.AnalyzeViewshed.CreateOverlays C# (CSharp) Method

        private void CreateOverlays()
        {
            // This function will create the overlays that show the user clicked location and the results of the 
            // viewshed analysis. Note: the overlays will not be populated with any graphics at this point

            // Create renderer for input graphic. Set the size and color properties for the simple renderer
            SimpleRenderer myInputRenderer = new SimpleRenderer()
            {
                Symbol = new SimpleMarkerSymbol()
                {
                    Size = 15,
                    Color = Colors.Red
                }
            };

            // Create overlay to where input graphic is shown
            _inputOverlay = new GraphicsOverlay()
            {
                Renderer = myInputRenderer
            };

            // Create fill renderer for output of the viewshed analysis. Set the color property of the simple renderer 
            SimpleRenderer myResultRenderer = new SimpleRenderer()
            {
                Symbol = new SimpleFillSymbol()
                {
                    Color = Color.FromArgb(100, 226, 119, 40)
                }
            };

            // Create overlay to where viewshed analysis graphic is shown
            _resultOverlay = new GraphicsOverlay()
            {
                Renderer = myResultRenderer
            };

            // Add the created overlays to the MapView
            MyMapView.GraphicsOverlays.Add(_inputOverlay);
            MyMapView.GraphicsOverlays.Add(_resultOverlay);
        }