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Hi there

I have written a stock chart application. As part of that I have a drop down box that allows the selection of the bar timeframe (e.g. 1m , 5m, … 1r, 4h etc). It all works fine. However, if I bring up a chart and then do some zooming and panning AND THEN select a new timeframe, sometimes the data is not initially visible and I have to scroll the chart to find it ! Should I be resetting the visible range in some way?



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Hi Paul,

Sounds like you need to call SciChartSurface.ZoomExtents() after setting new data. The chart won’t auto-range to new data unless you tell it to by using AutoRange.Always.

You can also ZoomExtents in a ViewModel via the ViewportManager feature which is described in the Zoom Including Annotations thread.

Try it – let us know the results.

Best regards,

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