WPF程式設計，Live Charts使用說明（2）——使用

1、XAML中添加命名空間

xmlns:lvc="clr-namespace:LiveCharts.Wpf;assembly=LiveCharts.Wpf"

2、背景代碼中增加引用：

 using LiveCharts;

 using LiveCharts.Wpf;

3、推薦

LiveCharts源代碼

詳細的說明教程

事例源代碼，如下圖

<Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="40"/>
            <RowDefinition/>
        </Grid.RowDefinitions>

        <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="10 0 0 0">
            <Button Width="80" Height="30" Margin="5 0 0 0" Content="折線圖" Click="Button_Click"/>
            <Button Width="80" Height="30" Margin="5 0 0 0" Content="直方圖" Click="Button_Click_1"/>
            <Button Width="80" Height="30" Margin="5 0 0 0" Content="餅狀圖" Click="Button_Click_2"/>
        </StackPanel>

        <Grid Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition/>
                <ColumnDefinition/>
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>

            <lvc:CartesianChart Name="s1" LegendLocation="Top" >
                <lvc:CartesianChart.AxisY>
                    <lvc:Axis Name="s1y" Title="分數" MinValue="0"></lvc:Axis>
                </lvc:CartesianChart.AxisY>
                <lvc:CartesianChart.AxisX>
                    <lvc:Axis Name="s1x" Title="區域" ></lvc:Axis>
                </lvc:CartesianChart.AxisX>
            </lvc:CartesianChart>

            <lvc:CartesianChart Name="s2" Grid.Column="1" LegendLocation="Top">
                <lvc:CartesianChart.AxisX>
                    <lvc:Axis Name="s2y" Title="區域" ></lvc:Axis>
                </lvc:CartesianChart.AxisX>
                <lvc:CartesianChart.AxisY>
                    <lvc:Axis Name="s2x" Title="分數" MinValue="0"></lvc:Axis>
                </lvc:CartesianChart.AxisY>
            </lvc:CartesianChart>

            <lvc:PieChart Name="s3" LegendLocation="Top" Grid.Column="2"/>

        </Grid>
        
    </Grid>
           

private void Button_Click(object sender, RoutedEventArgs e)
        {
            SeriesCollection series = new SeriesCollection
            {
                new LineSeries
                {
                    Title = "深圳",
                    Values = new ChartValues<double> { 4, 6, 5, 2 ,7 }
                },
                new LineSeries
                {
                    Title = "廣州",
                    Values = new ChartValues<double> { 6, 7, 3, 4 ,6 }
                }
            };

            //x軸
            string[] Labels = new[] { "2011", "2012", "2013", "2014", "2015" };
            s1.Series = series;
            s1x.Labels = Labels;
            s1y.Separator.Step = 1;
            s1y.LabelFormatter = new Func<double, string>((value) =>
              {
                  return value.ToString();
              });
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            SeriesCollection SeriesCollection = new SeriesCollection
            {
                new ColumnSeries
                {
                    Title = "深圳",
                    Values = new ChartValues<double> { 10, 50, 39, 50 }
                },
                new ColumnSeries
            {
                Title = "廣州",
                Values = new ChartValues<double> { 11, 56, 42 }
            }
            };

            string[] Labels = new[] { "2011", "2012", "2013", "2014", "2015" };
            s2.Series = SeriesCollection;
            s2x.Labels = Labels;
            s2y.Separator.Step = 1;

        }

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            SeriesCollection SeriesCollection = new SeriesCollection();

            SeriesCollection.Add(new PieSeries()
            {
                Title = "高一(1)班",
                Values = new ChartValues<int>() { 30 },
                DataLabels = true,
                LabelPoint = new Func<ChartPoint, string>((chartPoint) =>
                {
                    return string.Format("{0}{1} ({2:P})", chartPoint.SeriesView.Title, chartPoint.Y, chartPoint.Participation);
                })
            });
            SeriesCollection.Add(new PieSeries()
            {
                Title = "高一(2)班",
                Values = new ChartValues<int>() { 50 },
                DataLabels = true,
                LabelPoint = new Func<ChartPoint, string>((chartPoint) =>
                {
                    return string.Format("{0}{1} ({2:P})", chartPoint.SeriesView.Title, chartPoint.Y, chartPoint.Participation);
                })
            });
            SeriesCollection.Add(new PieSeries()
            {
                Title = "高一(3)班",
                Values = new ChartValues<int>() { 20 },
                DataLabels = true,
                LabelPoint = new Func<ChartPoint, string>((chartPoint) =>
                {
                    return string.Format("{0}{1} ({2:P})", chartPoint.SeriesView.Title, chartPoint.Y, chartPoint.Participation);
                })
            });

            s3.Series = SeriesCollection;
        }