带多个系列的DVC系列图表

Question

如何用DVC系列系列图形添加多个系列？

我有下面的代码生成我的第一个系列：

WPF：

<DVC:Chart Name="Chart" 
      Background="#463F3F">     
     <DVC:Chart.Series> 
      <DVC:LineSeries Title=" Monthly Count" IndependentValueBinding="{Binding Path=Key}" DependentValueBinding="{Binding Path=Value}"> 
     </DVC:LineSeries> 
    </DVC:Chart.Series> 
    <DVC:Chart.PlotAreaStyle> 
     <Style TargetType="Grid"> 
      <Setter Property="Background" Value="Transparent" /> 
     </Style> 
    </DVC:Chart.PlotAreaStyle> 
</DVC:Chart> 

C＃：

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Text; 
using System.Threading.Tasks; 
using System.Windows; 
using System.Windows.Controls; 
using System.Windows.Data; 
using System.Windows.Documents; 
using System.Windows.Input; 
using System.Windows.Media; 
using System.Windows.Media.Imaging; 
using System.Windows.Navigation; 
using System.Windows.Shapes; 

using System.Windows.Controls.DataVisualization; 
using System.Windows.Controls.Primitives; 
using System.Windows.Controls.DataVisualization.Charting; 

namespace WpfApplication1 
{ 
/// <summary> 
/// Interaction logic for MainWindow.xaml 
/// </summary> 
public partial class MainWindow : Window 
{ 
    public MainWindow() 
    { 
     InitializeComponent(); 
     LoadLineChartData(); 

    } 

    private void LoadLineChartData() 
    { 
     ((LineSeries)Chart.Series[0]).ItemsSource = 
      new KeyValuePair<DateTime, int>[]{ 
    new KeyValuePair<DateTime,int>(DateTime.Now, 100), 
    new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(1), 130), 
    new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(2), 150), 
    new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(3), 125), 
    new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(4),155)}; 
    } 
} 
} 

的C＃代码是在系列设置，我只需要知道如何添加另一个。

在此先感谢。

Answer 1

您可以在代码背后做所有事情。从您的XAML中删除<DVC:Chart.Series>部分。 然后，您可以通过编程设定所有系列（这个例子是基于XAML中添加一个系列，只要你想用FOR循环）复制尽可能多的时间（即添加几个系列）：

private void LoadLineChartData() 
{ 
    //Chart is your chart object in Xaml 
    //declare your series 
    LineSeries ls = new LineSeries(); 

    ls.Title = "Monthly Count"; 
    ls.IndependentValueBinding = new Binding("Key"); 
    ls.DependentValueBinding = new Binding("Value"); 

    ls.ItemsSource = new KeyValuePair<DateTime, int>[] 
    { 
     new KeyValuePair<DateTime,int>(DateTime.Now, 100), 
     new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(1), 130), 
     new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(2), 150), 
     new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(3), 125), 
     new KeyValuePair<DateTime,int>(DateTime.Now.AddMonths(4),155)}; 

     // then add it to the chart 
     Chart.Series.Add(ls);  
    } 
}