添加项目文件。

Live-Charts-master/Examples/Wpf/CartesianChart/BasicLine/BasicLineExample.xaml.cs

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+using System;
+using System.Windows.Controls;
+using LiveCharts;
+using LiveCharts.Wpf;
+
+namespace Wpf.CartesianChart.BasicLine
+{
+    public partial class BasicLineExample : UserControl
+    {
+        public BasicLineExample()
+        {
+            InitializeComponent();
+
+            SeriesCollection = new SeriesCollection
+            {
+                new LineSeries
+                {
+                    Title = "Series 1",
+                    Values = new ChartValues<double> { 4, 6, 5, 2 ,7 }
+                },
+                new LineSeries
+                {
+                    Title = "Series 2",
+                    Values = new ChartValues<double> { 6, 7, 3, 4 ,6 }
+                }
+            };
+
+            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
+            {
+                Values = new ChartValues<double> {5, 3, 2, 4},
+                LineSmoothness = 0 //straight lines, 1 really smooth lines
+            });
+
+            //modifying any series values will also animate and update the chart
+            SeriesCollection[2].Values.Add(5d);
+
+            DataContext = this;
+        }
+
+        public SeriesCollection SeriesCollection { get; set; }
+        public string[] Labels { get; set; }
+        public Func<double, string> YFormatter { get; set; }
+
+    }
+}