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I’m not sure what you mean, but I can tell you that our AutoRange options are discussed here: http://http://www.scichart.com/documentation/webframe.html#AutoRangeNeverVsAutoRangeAutoVsAutoRangeAlways.html
Also we have a back-door API to allow you to fully customize how the viewport ranging occurs. To do this you need to create a class which derives from DefaultViewportManager and set or bind it to the SciChartSurface.ViewportManager property.
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