添加项目文件。

Live-Charts-master/Examples/UWP/CartesianChart/StepLine/StepLineExample.xaml.cs

@@ -0,0 +1,21 @@
+using LiveCharts;
+using Windows.UI.Xaml.Controls;
+
+// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
+
+namespace UWP.CartesianChart.StepLine
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class StepLineExample : Page
+    {
+        public StepLineExample()
+        {
+            this.InitializeComponent();
+        }
+
+        public IChartValues ChartValues1 { get; set; } = new ChartValues<int>(new int[] { 9, 6, 5, 7, 8, 9, 7, 6, 7, 5 });
+        public IChartValues ChartValues2 { get; set; } = new ChartValues<int>(new int[] { 1, 4, 3, 1, 4, 2, 1, 2, 3, 5 });
+    }
+}