项目结构调整

Others/Live-Charts-master/Examples/Wpf/CartesianChart/PointState/PointStateExample.xaml

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+<UserControl x:Class="Wpf.CartesianChart.PointState.PointStateExample"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:lvc="clr-namespace:LiveCharts.Wpf;assembly=LiveCharts.Wpf"
+             xmlns:pointState="clr-namespace:Wpf.CartesianChart.PointState"
+             mc:Ignorable="d" 
+             d:DesignHeight="300" d:DesignWidth="300" d:DataContext="{d:DesignInstance pointState:PointStateExample}">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"></RowDefinition>
+            <RowDefinition Height="*"></RowDefinition>
+        </Grid.RowDefinitions>
+        <Button Grid.Row="0" Click="UpdateDataOnClick">Update Data</Button>
+        <lvc:CartesianChart Grid.Row="1">
+            <lvc:CartesianChart.Series>
+                <lvc:LineSeries Values="{Binding Values}" 
+                                PointGeometrySize="20" 
+                                PointForeground="White"
+                                Configuration="{Binding Mapper}"/>
+            </lvc:CartesianChart.Series>
+        </lvc:CartesianChart>
+    </Grid>
+</UserControl>

Others/Live-Charts-master/Examples/Wpf/CartesianChart/PointState/PointStateExample.xaml.cs

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+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using LiveCharts;
+using LiveCharts.Configurations;
+using LiveCharts.Defaults;
+
+namespace Wpf.CartesianChart.PointState
+{
+    /// <summary>
+    /// Interaction logic for PointStateExample.xaml
+    /// </summary>
+    public partial class PointStateExample : UserControl
+    {
+        public PointStateExample()
+        {
+            InitializeComponent();
+            
+            var r = new Random();
+            Values = new ChartValues<ObservableValue>
+            {
+                new ObservableValue(r.Next(10, 400)),
+                new ObservableValue(r.Next(10, 400)),
+                new ObservableValue(r.Next(10, 400)),
+                new ObservableValue(r.Next(10, 400)),
+                new ObservableValue(r.Next(10, 400)),
+                new ObservableValue(r.Next(10, 400))
+            };
+
+            //Lets define a custom mapper, to set fill and stroke
+            //according to chart values...
+            Mapper = Mappers.Xy<ObservableValue>()
+                .X((item, index) => index)
+                .Y(item => item.Value)
+                .Fill(item => item.Value > 200 ? DangerBrush : null)
+                .Stroke(item => item.Value > 200 ? DangerBrush : null);
+
+            Formatter = x => x + " ms";
+
+            DangerBrush = new SolidColorBrush(Color.FromRgb(238,83,80));
+
+            DataContext = this;
+        }
+
+        public Func<double, string> Formatter { get; set; }
+        public ChartValues<ObservableValue> Values { get; set; }
+        public Brush DangerBrush { get; set; }
+        public CartesianMapper<ObservableValue> Mapper { get; set; } 
+
+        private void UpdateDataOnClick(object sender, RoutedEventArgs e)
+        {
+            var r = new Random();
+            foreach (var observable in Values)
+            {
+                observable.Value = r.Next(10, 400);
+            }
+        }
+    }
+}