添加项目文件。

Live-Charts-master/Examples/UWP/CartesianChart/Energy Predictions/EnergyPredictionExample.xaml.cs

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+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Input;
+using LiveCharts;
+using LiveCharts.Uwp;
+
+namespace UWP.CartesianChart.Energy_Predictions
+{
+    /// <summary>
+    /// Interaction logic for EnergyPredictionExample.xaml
+    /// </summary>
+    public partial class EnergyPredictionExample
+    {
+        public EnergyPredictionExample()
+        {
+            InitializeComponent();
+
+            Series = new SeriesCollection
+            {
+                new StackedAreaSeries
+                {
+                    Values = new ChartValues<double> {20, 30, 35, 45, 65, 85},
+                    Title = "Electricity"
+                },
+                new StackedAreaSeries
+                {
+                    Values = new ChartValues<double> {10, 12, 18, 20, 38, 40},
+                    Title = "Water"
+                },
+                new StackedAreaSeries
+                {
+                    Values = new ChartValues<double> {5, 8, 12, 15, 22, 25},
+                    Title = "Solar"
+                },
+                new StackedAreaSeries
+                {
+                    Values = new ChartValues<double> {10, 12, 18, 20, 38, 40},
+                    Title = "Gas"
+                }
+            };
+
+            DataContext = this;
+        }
+
+        public SeriesCollection Series { get; set; }
+
+        private void UIElement_OnTapped(object sender, TappedRoutedEventArgs e)
+        {
+            var series = (StackedAreaSeries) ((ContentPresenter) sender).Content;
+            if (series != null)
+                series.Visibility = series.Visibility == Visibility.Visible
+                    ? Visibility.Collapsed
+                    : Visibility.Visible;
+        }
+    }
+}