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Strange behavior on fastScatter chart

Thread ID:





99576 May 30,2011 06:58 AM UTC Jun 3,2011 11:08 AM UTC WPF 3
Tags: Chart
Renard Laurent
Asked On May 30, 2011 06:58 AM UTC


I have noticed that for Fast Scatter chart Type "Segment.CorrespondingPoints[0].DataPoint" refers only the first point. Checked on ChartMouseEvent and on ToolTip.

On normal scatter the behavior is normal.

Is it something I should expect or it is a bug ?

Then how can I get the value of a given point with fastScatter and with the ChartSeries event (I mean I don't want to use a reference of my IInput element as we can do using the traditional MouseEvent)

Thanks for your help,


Muralidharan P [Syncfusion]
Replied On May 31, 2011 09:26 AM UTC

Hi Laurent ,

Thanks for choosing Syncfusion products.

The fast chart types are drawn as a single segment, So the tooltip displays only the starting point value. This is the behavior of the fast chart types and it is not a bug.

Please let us know if you have any questions.

Regards ,

Renard Laurent
Replied On June 1, 2011 04:00 AM UTC


Thanks you for your reply.

So does it mean that for Fast Scatter, if I set the template for the ChartSerie I will only see the first point,

or if I try to get the corresponding point on ChartMouseEvent I can only refer to the first point ?

Thanks you very much

Muralidharan P [Syncfusion]
Replied On June 3, 2011 11:08 AM UTC

Hi Laurent ,

Thanks for choosing Syncfusion products.

In the mouse move event we can access the corresponding points value using PointToValue() method of ChartArea. Based on your requirement we have created a simple sample. Please download it from the following location.


Please let us know if you have any quires.

Regards ,


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