Zoom Rectangle co-ordinates

2 posts, 0 answers
  1. Anand
    Anand avatar
    12 posts
    Member since:
    Dec 2011

    Posted 20 Jan 2012 Link to this post

    How co-ordinates of zoom rectangle can be captured for RadChart ?
  2. Yavor
    Yavor avatar
    11 posts

    Posted 24 Jan 2012 Link to this post


    Presently, you can determine the actions of the end user on the zooming and scrolling of the control, by keeping track of the rangeStart/end properties:
    void radChart_DataBound(object sender, ChartDataBoundEventArgs e)
             double minRange = radChart.DefaultView.ChartArea.ZoomScrollSettingsX.RangeStart;

    You can match this against the data of the axis, to determine what data would be rendered in the chart.
    I hope this information gets you started. Let me know if further questions arise.

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