Question

WPF中使用DynamicDataDisplay画直方图应该怎么做

Answer 1

1.后台程序：加载一条随即曲线,横轴为时间
using System;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Text;
using System.Windows;
using System.IO;
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.Globalization;
using System.Diagnostics;
using System.Windows.Threading;
using Microsoft.Research.DynamicDataDisplay;
using Microsoft.Research.DynamicDataDisplay.DataSources;
using Microsoft.Research.DynamicDataDisplay.PointMarkers;
using Microsoft.Research.DynamicDataDisplay.Charts.Navigation;
namespace WpfApplication2
{
public partial class MainWindow :Window
{
Random random = new Random();
private DispatcherTimer timer = new DispatcherTimer();
CompositeDataSource compositeDataSource1;
CompositeDataSource compositeDataSource2;
EnumerableDataSource datesDataSource = null;
EnumerableDataSource numberOpenDataSource=null;
EnumerableDataSource numberClosedDataSource = null;
List vardatetime = new List();
int i = 0;
List numberOpen = new List();
List numberClosed = new List();
/*
int[] numberOpen = new int[100];
int[] numberClosed = new int[100];
*/
public MainWindow()
{
InitializeComponent();
// Loaded += new RoutedEventHandler(Window_Loaded);
}
private void Window1_Loaded(object sender,EventArgs e)
{
DateTime tempDateTime = new DateTime();
tempDateTime = DateTime.Now;
vardatetime.Add(tempDateTime);
numberOpen.Add(random.Next(40));
numberClosed.Add(random.Next(100));
datesDataSource.RaiseDataChanged();
numberOpenDataSource.RaiseDataChanged();
numberClosedDataSource.RaiseDataChanged();
i++;
} // Window1_Loaded()
private void Window_Loaded(object sender,System.Windows.RoutedEventArgs e)
{
DateTime tempDateTime=new DateTime();
tempDateTime = DateTime.Now;
vardatetime.Add(tempDateTime);
numberOpen.Add(random.Next(40));
numberClosed.Add(random.Next(100));