实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.IO; // CirclePointMarker using System.Linq; using System.Text; 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 Microsoft.Research.DynamicDataDisplay; // Core functionality using Microsoft.Research.DynamicDataDisplay.DataSources; // EnumerableDataSource using Microsoft.Research.DynamicDataDisplay.PointMarkers; namespace WPF曲线 { /// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void Window_Loaded(object sender, RoutedEventArgs e) { // 下载于www.51aspx.com } private static List<BugInfo> LoadBugInfo(string fileName) { var result = new List<BugInfo>(); FileStream fs = new FileStream(fileName, FileMode.Open); StreamReader sr = new StreamReader(fs); string line = ""; while ((line = sr.ReadLine()) != null) { string[] pieces = line.Split(':'); DateTime d = DateTime.Parse(pieces[0]); int numopen = int.Parse(pieces[1]); int numclosed = int.Parse(pieces[2]); BugInfo bi = new BugInfo(d, numopen, numclosed); result.Add(bi); } sr.Close(); fs.Close(); return result; } // 下载于www.51aspx.com private void plotter_MouseDoubleClick(object sender, MouseButtonEventArgs e) { ChartPlotter chart = sender as ChartPlotter; Point p = e.GetPosition(this).ScreenToData(chart.Transform); } private void button1_Click(object sender, RoutedEventArgs e) { List<BugInfo> bugInfoList = LoadBugInfo("..\\..\\BugInfo.txt"); DateTime[] dates = new DateTime[bugInfoList.Count]; int[] numberOpen = new int[bugInfoList.Count]; int[] numberClosed = new int[bugInfoList.Count]; for (int i = 0; i < bugInfoList.Count; i) { dates[i] = bugInfoList[i].date; numberOpen[i] = bugInfoList[i].numberOpen; numberClosed[i] = bugInfoList[i].numberClosed; } var datesDataSource = new EnumerableDataSource<DateTime>(dates); datesDataSource.SetXMapping(x => dateAxis.ConvertToDouble(x)); var numberOpenDataSource = new EnumerableDataSource<int>(numberOpen); numberOpenDataSource.SetYMapping(y => y); var numberClosedDataSource = new EnumerableDataSource<int>(numberClosed); numberClosedDataSource.SetYMapping(y => y); CompositeDataSource compositeDataSource1 = new CompositeDataSource(datesDataSource, numberOpenDataSource); CompositeDataSource compositeDataSource2 = new CompositeDataSource(datesDataSource, numberClosedDataSource); // 下载于www.51aspx.com plotter.AddLineGraph(compositeDataSource1, new Pen(Brushes.Blue, 2), new CirclePointMarker { Size = 10.0, Fill = Brushes.Red }, new PenDescription("Number bugs open")); plotter.AddLineGraph(compositeDataSource2, new Pen(Brushes.Green, 2), new TrianglePointMarker { Size = 10.0, Pen = new Pen(Brushes.Black, 2.0), Fill = Brushes.GreenYellow }, new PenDescription("Number bugs closed")); plotter.Viewport.FitToView(); } } internal class BugInfo { public DateTime date; public int numberOpen; public int numberClosed; public BugInfo(DateTime date, int numberOpen, int numberClosed) { this.date = date; this.numberOpen = numberOpen; this.numberClosed = numberClosed; } } }
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