Home / Community & Support / Developer Productivity Tools Forums / WPF > Chart > Zoom Rectangle co-ordinates

• Anand

  Posted on Jan 20, 2012 (permalink)

  How co-ordinates of zoom rectangle can be captured for RadChart ?

  Attached files

  • ChartZoomRactangle.jpg

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• Yavor Yavor

  Posted on Jan 24, 2012 (permalink)

  Hello,
  
  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.
  
  Regards,
  Yavor
  the Telerik team

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