How do I change force the Y axis Maximum in a Visual Studio Chart

I am plotting data a line on a chart.  I want the Y axis range to stay the same.  The code is below data is changing and so the chart is constantly updating.    How can I fix the Y axis range?

    Chart1.Series.Clear()
    Chart1.Series.Add("Plot")
    Chart1.Series("Plot").ChartType = DataVisualization.Charting.SeriesChartType.FastLine
     For i = 0 To 200
                       Chart1.Series("Plot").Points.AddXY(i, theData.GetValue(i))
     Next (i)
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Tom_HickersonAsked:
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Ryan ChongConnect With a Mentor Commented:
try add something like this?
Chart1.ChartAreas(0).AxisY.Maximum = 200
        Chart1.ChartAreas(0).AxisY.Minimum = 10

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Tom_HickersonAuthor Commented:
That worked thanks.  I was playing with the chart areas, but never found that one.  How do you find these values to change?  Is there a help file or website?
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Ryan ChongCommented:
well, I think the best resources would be MSDN?

Chart Class
https://msdn.microsoft.com/en-us/library/system.web.ui.datavisualization.charting.chart(v=vs.110).aspx

try to browse through the left hand side sub links.

for more examples you may do an Internet search instead. hope that helps
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Tom_HickersonAuthor Commented:
I saw that, but I don't see any reference to the specific axisy.minimum.
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Ryan ChongCommented:
got to know the knowledge base is quite huge in MSDN.

first, on the left hand side sub links, i go click the ChartArea class then click ChartArea Properties
after that, i click on AxisY property


which lead you to:

Axis Class
https://msdn.microsoft.com/en-us/library/system.web.ui.datavisualization.charting.axis(v=vs.110).aspx

Finally look for the Minimum property there.
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