添加项目文件。

Live-Charts-master/Examples/WinForms/Cartesian/ScatterExample/ScatterForm.cs

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+using System;
+using System.Linq;
+using System.Windows.Forms;
+using System.Windows.Media;
+using LiveCharts;
+using LiveCharts.Defaults;
+using LiveCharts.Wpf;
+
+namespace Winforms.Cartesian.ScatterExample
+{
+    public partial class ScatterForm : Form
+    {
+        public ScatterForm()
+        {
+            InitializeComponent();
+
+            SeriesCollection = new SeriesCollection
+            {
+                new ScatterSeries
+                {
+                    Title = "Series A",
+                    Values = new ChartValues<ObservablePoint>()
+                },
+                new ScatterSeries
+                {
+                    Title = "Series B",
+                    Values = new ChartValues<ObservablePoint>(),
+                    PointGeometry = DefaultGeometries.Diamond
+                },
+                new ScatterSeries
+                {
+                    Title = "Series C",
+                    Values = new ChartValues<ObservablePoint>(),
+                    PointGeometry = DefaultGeometries.Triangle,
+                    StrokeThickness = 2,
+                    Fill = Brushes.Transparent
+                }
+            };
+
+            var r = new Random();
+
+            foreach (var series in SeriesCollection)
+            {
+                for (var i = 0; i < 20; i++)
+                {
+                    series.Values.Add(new ObservablePoint(r.NextDouble()*10, r.NextDouble()*10));
+                }
+            }
+
+            cartesianChart1.Series = SeriesCollection;
+            cartesianChart1.LegendLocation = LegendLocation.Bottom;
+        }
+
+        public SeriesCollection SeriesCollection { get; set; }
+
+        private void button1_Click(object sender, EventArgs e)
+        {
+            var r = new Random();
+
+            foreach (var values in SeriesCollection.Select(x => x.Values))
+            {
+                for (var i = 0; i < 20; i++)
+                {
+                    ((ObservablePoint) values[i]).X = r.NextDouble()*10;
+                    ((ObservablePoint) values[i]).Y = r.NextDouble()*10;
+                }
+            }
+
+        }
+    }
+}