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I am currently adding line to a chart to show when a value is ON and using the gap in a series feature to indicate when the value is OFF. In order for this to work I need to update the chart every few seconds when the value is ON; however, I do not want to add additional points; instead I want to either update a point in the line series or I want to remove a point and then add a new point. In my case its the x-axis value that I need to change.
Can you please suggest if this is possible?
If yes I am also wondering how to best find a specific point in a line series.
You may be interested in this answer on Fixing Data Values that Arrive in Non Sorted DateTime Order as this covers the DataSeries API, including ability to Add, Remove, Insert, Update points in detail.
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