C# chart 实时动态显示数据

# [ C# chart控件实时动态显示数据

    ](http://blog.csdn.net/lj22377/article/details/38373609)
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          [c#](http://www.csdn.net/tag/c%23)[chart](http://www.csdn.net/tag/chart)[动态显示](http://www.csdn.net/tag/%e5%8a%a8%e6%80%81%e6%98%be%e7%a4%ba)
        2014-08-04 18:519641人阅读 [评论](http://blog.csdn.net/lj22377/article/details/38373609#comments)(0) [收藏](#) [举报](http://blog.csdn.net/lj22377/article/details/38373609#report).![](https://cdn.nlark.com/yuque/0/2022/jpg/21447204/1659743635091-8c5109b7-a5b0-4834-8024-6880d2c6d935.jpg)分类：
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这里介绍了一个最简单的实时显示数据的完整示例，
本文参考了 使用MSChart实时动态显示折线图 ，谢谢原作者的分享。
平台：VS2013，C#windows程序。
源代码下载：http://download.csdn[.NET](http://lib.csdn.net/base/dotnet)/detail/lj22377/7713939
1、首先，将chart控件添加到窗口。
2、设置chart - series 主要t属性：
2.1 IsXValueIndexed = true;
2.2 XValueType = Time;
3、编写初始化函数：
view plain copy

1. private void InitChart()
2. {
3. DateTime time = DateTime.Now;
4. chartTimer.Interval = 1000;
5. chartTimer.Tick += chartTimer_Tick;
6. chartDemo.DoubleClick += chartDemo_DoubleClick;
8. Series series = chartDemo.Series[0];
9. series.ChartType = SeriesChartType.Spline;
11. chartDemo.ChartAreas[0].AxisX.LabelStyle.Format = “HH:mm:ss”;
12. chartDemo.ChartAreas[0].AxisX.ScaleView.Size = 5;
13. chartDemo.ChartAreas[0].AxisX.ScrollBar.IsPositionedInside = true;
14. chartDemo.ChartAreas[0].AxisX.ScrollBar.Enabled = true;
16. chartTimer.Start();
18. }
    
    view plain copy
19. void chartTimer_Tick(object sender, EventArgs e)
20. {
21. Random ra = new Random();
22. Series series = chartDemo.Series[0];
23. series.Points.AddXY(DateTime.Now, ra.Next(1, 10));
24. chartDemo.ChartAreas[0].AxisX.ScaleView.Position = series.Points.Count - 5;
25. //throw new NotImplementedException();
26. }
    
    view plain copy
27. void chartDemo_DoubleClick(object sender, EventArgs e)
28. {
29. chartDemo.ChartAreas[0].AxisX.ScaleView.Size = 5;
30. chartDemo.ChartAreas[0].AxisX.ScrollBar.IsPositionedInside = true;
31. chartDemo.ChartAreas[0].AxisX.ScrollBar.Enabled = true;
32. //throw new NotImplementedException();
33. }

view plain copy

1. using System;
2. using System.Collections.Generic;
3. using System.ComponentModel;
4. using System.Data;
5. using System.Drawing;
6. using System.Linq;
7. using System.Text;
8. using System.Threading.Tasks;
9. using System.Windows.Forms;
10. using System.Windows.Forms.DataVisualization.Charting; //需要添加的命名空间
12. namespace ChartRealTimeShow
13. {
14. public partial class Form1 : Form
15. {
16. public Form1()
17. {
18. InitializeComponent();
19. InitChart();
20. }
22. System.Windows.Forms.Timer chartTimer = new System.Windows.Forms.Timer();
24. private void InitChart()
25. {
26. DateTime time = DateTime.Now;
27. chartTimer.Interval = 1000;
28. chartTimer.Tick += chartTimer_Tick;
29. chartDemo.DoubleClick += chartDemo_DoubleClick;
31. Series series = chartDemo.Series[0];
32. series.ChartType = SeriesChartType.Spline;
34. chartDemo.ChartAreas[0].AxisX.LabelStyle.Format = “HH:mm:ss”;
35. chartDemo.ChartAreas[0].AxisX.ScaleView.Size = 5;
36. chartDemo.ChartAreas[0].AxisX.ScrollBar.IsPositionedInside = true;
37. chartDemo.ChartAreas[0].AxisX.ScrollBar.Enabled = true;
39. chartTimer.Start();
41. }
43. void chartDemo_DoubleClick(object sender, EventArgs e)
44. {
45. chartDemo.ChartAreas[0].AxisX.ScaleView.Size = 5;
46. chartDemo.ChartAreas[0].AxisX.ScrollBar.IsPositionedInside = true;
47. chartDemo.ChartAreas[0].AxisX.ScrollBar.Enabled = true;
48. //throw new NotImplementedException();
49. }
51. void chartTimer_Tick(object sender, EventArgs e)
52. {
53. Random ra = new Random();
54. Series series = chartDemo.Series[0];
55. series.Points.AddXY(DateTime.Now, ra.Next(1, 10));
56. chartDemo.ChartAreas[0].AxisX.ScaleView.Position = series.Points.Count - 5;
57. //throw new NotImplementedException();
58. }
60. }
61. }

.

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