MS Chart - updating X axis tick values at run time in line chart

[sgrm123]

Hi,

My requirement is in my line graph( which is developed with c# MS Chart), I

always need to display 10 points(samples) at a time. The xaxis has interval value 1.

Initially the Xaxis tick values are (1,2,3,4,5,6,7,8,9,10), After 1 second of time interval, I

have to plot 10 points(samples) starts from 2nd point(i.e. I have to skip 1st

point).Now I need to update the xaxis tick values also , it should be starts from

2,now the xaxis tick values should be like 2,3,4,5,6,7,8,9,10,11). Likewise

After every second the starting value of x axis

tick needs to be increased by 1.

How to update Xaxis tick value in the chart dynamically ?

image:



private void Form1_Load(object sender, EventArgs e)
{
loadCsvFile("C:\\mydata.csv");
this.components = new System.ComponentModel.Container();
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
this.timer1 = new System.Windows.Forms.Timer(this.components);
chart = new System.Windows.Forms.DataVisualization.Charting.Chart();
chart.Location = new System.Drawing.Point(1, 1);
chart.Size = new System.Drawing.Size(700, 700);
// Add a chartarea called "draw", add axes to it and color the area black
chart.ChartAreas.Add("draw");
numofSamples = 10;
chart.ChartAreas["draw"].AxisX.Minimum = 1;
chart.ChartAreas["draw"].AxisX.Maximum = 10;
chart.ChartAreas["draw"].AxisX.Interval = 1;
chart.ChartAreas["draw"].AxisX.Title = "X Axis";
chart.ChartAreas["draw"].AxisX.MajorGrid.LineColor = System.Drawing.Color.Black;
chart.ChartAreas["draw"].AxisX.MajorGrid.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dash;
chart.ChartAreas["draw"].AxisY.Minimum = 0;
chart.ChartAreas["draw"].AxisY.Maximum = 1000;
chart.ChartAreas["draw"].AxisY.Interval = 250;
chart.ChartAreas["draw"].AxisY.Title = "Y Axis";
chart.ChartAreas["draw"].AxisY.MajorGrid.LineColor = Color.Black;
chart.ChartAreas["draw"].AxisY.MajorGrid.LineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dash;

chart.ChartAreas["draw"].BackColor = Color.White;

// Create a new function series
chart.Series.Add("Tags");
// Set the type to line
chart.Series["Tags"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
// Color the line of the graph light green and give it a thickness of 3
chart.Series["Tags"].Color = Color.LightGreen;
chart.Series["Tags"].BorderWidth = 3;
chart.Series["Tags"].MarkerStyle = MarkerStyle.Circle;
chart.Series["Tags"].MarkerSize = 10;
chart.Legends.Add("MyLegend");
chart.Legends["MyLegend"].BorderColor = Color.Tomato; // I like tomato juice!
Controls.Add(this.chart);

// hook up timer event
this.timer1.Interval = 1000;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
timer1.Start();


}

public void loadCsvFile(string filePath)
{
var reader = new StreamReader(File.OpenRead(filePath));
while (!reader.EndOfStream)
{
List<string> listA = new List<string>();
string line = reader.ReadLine();
mList.Add(line );
}
}
int i = 0;
int n = 0;

private void timer1_Tick(object sender, EventArgs e)
{
if (n > 20)
n = 0;
int j=0;
chart.Series["Tags"].Points.Clear();

for (i=n; i < mList.Count; i++)
{
string l =mList;

chart.Series["Tags"].Points.AddY(l);

j++;
if (j == 10)
break;
}
n++;
chart.Update();
}


List<List<string>> mList = new List<List<string>>();
c#

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