项目结构调整

Others/Live-Charts-master/Examples/Wpf/CartesianChart/ConstantChanges/ConstantChangesChart.xaml

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+<UserControl x:Class="Wpf.CartesianChart.ConstantChanges.ConstantChangesChart"
+             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:constantChanges="clr-namespace:Wpf.CartesianChart.ConstantChanges"
+             mc:Ignorable="d" 
+             d:DesignHeight="300" d:DesignWidth="300" d:DataContext="{d:DesignInstance constantChanges:ConstantChangesChart}">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"></RowDefinition>
+            <RowDefinition Height="*"></RowDefinition>
+        </Grid.RowDefinitions>
+        <Button Grid.Row="0" Click="InjectStopOnClick">
+            Inject/Stop Data
+        </Button>
+        <!--Here we disable tooltips and hovering to get a better performance-->
+        <lvc:CartesianChart Grid.Row="1" AnimationsSpeed="0:0:0.5" Hoverable="False" DataTooltip="{x:Null}">
+            <lvc:CartesianChart.Series>
+                <lvc:LineSeries Values="{Binding ChartValues}" 
+                                PointGeometry="{x:Null}" 
+                                LineSmoothness="1"
+                                StrokeThickness="6" 
+                                Stroke="#F34336"
+                                Fill="Transparent"/>
+            </lvc:CartesianChart.Series>
+            <lvc:CartesianChart.AxisX>
+                <lvc:Axis LabelFormatter="{Binding DateTimeFormatter}" 
+                          MaxValue="{Binding AxisMax}" 
+                          MinValue="{Binding AxisMin}"
+                          Unit="{Binding AxisUnit}">
+                    <lvc:Axis.Separator>
+                        <lvc:Separator Step="{Binding AxisStep}" />
+                    </lvc:Axis.Separator>
+                </lvc:Axis>
+            </lvc:CartesianChart.AxisX>
+        </lvc:CartesianChart>
+    </Grid>
+</UserControl>

Others/Live-Charts-master/Examples/Wpf/CartesianChart/ConstantChanges/ConstantChangesChart.xaml.cs

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+using System;
+using System.ComponentModel;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using LiveCharts;
+using LiveCharts.Configurations;
+
+namespace Wpf.CartesianChart.ConstantChanges
+{
+    public partial class ConstantChangesChart : UserControl, INotifyPropertyChanged
+    {
+        private double _axisMax;
+        private double _axisMin;
+        private double _trend;
+
+        public ConstantChangesChart()
+        {
+            InitializeComponent();
+
+            //To handle live data easily, in this case we built a specialized type
+            //the MeasureModel class, it only contains 2 properties
+            //DateTime and Value
+            //We need to configure LiveCharts to handle MeasureModel class
+            //The next code configures MeasureModel  globally, this means
+            //that LiveCharts learns to plot MeasureModel and will use this config every time
+            //a IChartValues instance uses this type.
+            //this code ideally should only run once
+            //you can configure series in many ways, learn more at 
+            //http://lvcharts.net/App/examples/v1/wpf/Types%20and%20Configuration
+
+            var mapper = Mappers.Xy<MeasureModel>()
+                .X(model => model.DateTime.Ticks)   //use DateTime.Ticks as X
+                .Y(model => model.Value);           //use the value property as Y
+
+            //lets save the mapper globally.
+            Charting.For<MeasureModel>(mapper);
+
+            //the values property will store our values array
+            ChartValues = new ChartValues<MeasureModel>();
+
+            //lets set how to display the X Labels
+            DateTimeFormatter = value => new DateTime((long) value).ToString("mm:ss");
+
+            //AxisStep forces the distance between each separator in the X axis
+            AxisStep = TimeSpan.FromSeconds(1).Ticks;
+            //AxisUnit forces lets the axis know that we are plotting seconds
+            //this is not always necessary, but it can prevent wrong labeling
+            AxisUnit = TimeSpan.TicksPerSecond;
+
+            SetAxisLimits(DateTime.Now);
+
+            //The next code simulates data changes every 300 ms
+            
+            IsReading = false;
+
+            DataContext = this;
+        }
+
+        public ChartValues<MeasureModel> ChartValues { get; set; }
+        public Func<double, string> DateTimeFormatter { get; set; }
+        public double AxisStep { get; set; }
+        public double AxisUnit { get; set; }
+
+        public double AxisMax
+        {
+            get { return _axisMax; }
+            set
+            {
+                _axisMax = value;
+                OnPropertyChanged("AxisMax");
+            }
+        }
+        public double AxisMin
+        {
+            get { return _axisMin; }
+            set
+            {
+                _axisMin = value;
+                OnPropertyChanged("AxisMin");
+            }
+        }
+
+        public bool IsReading { get; set; }
+
+        private void Read()
+        {
+            var r = new Random();
+
+            while (IsReading)
+            {
+                Thread.Sleep(150);
+                var now = DateTime.Now;
+
+                _trend += r.Next(-8, 10);
+
+                ChartValues.Add(new MeasureModel
+                {
+                    DateTime = now,
+                    Value = _trend
+                });
+
+                SetAxisLimits(now);
+
+                //lets only use the last 150 values
+                if (ChartValues.Count > 150) ChartValues.RemoveAt(0);
+            }
+        }
+
+        private void SetAxisLimits(DateTime now)
+        {
+            AxisMax = now.Ticks + TimeSpan.FromSeconds(1).Ticks; // lets force the axis to be 1 second ahead
+            AxisMin = now.Ticks - TimeSpan.FromSeconds(8).Ticks; // and 8 seconds behind
+        }
+
+        private void InjectStopOnClick(object sender, RoutedEventArgs e)
+        {
+            IsReading = !IsReading;
+            if (IsReading) Task.Factory.StartNew(Read);
+        }
+
+        #region INotifyPropertyChanged implementation
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName = null)
+        {
+            if (PropertyChanged != null)
+                PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        #endregion
+    }
+}

Others/Live-Charts-master/Examples/Wpf/CartesianChart/ConstantChanges/MeasureModel.cs

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+using System;
+
+namespace Wpf.CartesianChart.ConstantChanges
+{
+    public class MeasureModel
+    {
+        public DateTime DateTime { get; set; }
+        public double Value { get; set; }
+    }
+}