添加项目文件。

Live-Charts-master/Examples/UWP/CartesianChart/PointShapeLine/PointShapeLineExample.xaml.cs

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+using LiveCharts;
+using LiveCharts.Uwp;
+using System;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+
+// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
+
+namespace UWP.CartesianChart.PointShapeLine
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class PointShapeLineExample : Page
+    {
+        public PointShapeLineExample()
+        {
+            InitializeComponent();
+
+            SeriesCollection = new SeriesCollection
+            {
+                new LineSeries
+                {
+                    Title = "Series 1",
+                    Values = new ChartValues<double> { 4, 6, 5, 2 ,4 }
+                },
+                new LineSeries
+                {
+                    Title = "Series 2",
+                    Values = new ChartValues<double> { 6, 7, 3, 4 ,6 },
+                    PointGeometry = null
+                },
+                new LineSeries
+                {
+                    Title = "Series 3",
+                    Values = new ChartValues<double> { 4,2,7,2,7 },
+                    PointGeometry = DefaultGeometries.Square,
+                    PointGeometrySize = 15
+                }
+            };
+
+            Labels = new[] { "Jan", "Feb", "Mar", "Apr", "May" };
+            YFormatter = value => value.ToString("C");
+
+            //modifying the series collection will animate and update the chart
+            SeriesCollection.Add(new LineSeries
+            {
+                Title = "Series 4",
+                Values = new ChartValues<double> { 5, 3, 2, 4 },
+                LineSmoothness = 0, //0: straight lines, 1: really smooth lines
+                PointGeometry = new PointGeometry("m 25 70.36218 20 -28 -20 22 -8 -6 z"),
+                PointGeometrySize = 50,
+                PointForeround = new SolidColorBrush(Windows.UI.Colors.Gray)
+            });
+
+            //modifying any series values will also animate and update the chart
+            SeriesCollection[3].Values.Add(5d);
+
+            DataContext = this;
+        }
+
+        public SeriesCollection SeriesCollection { get; set; }
+        public string[] Labels { get; set; }
+        public Func<double, string> YFormatter { get; set; }
+    }
+}