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  [Collapse]DevExpress.XtraCharts
   [Collapse]ChartControl Class
     ChartControl Members
     ChartControl Constructor
    [Expand]ChartControl Properties
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      About Method
      Animate Method
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      GetLocalizedPaletteNames Method
      GetPaletteEntries Method
      GetPaletteNames Method
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      GetToolTipController Method
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      LoadFromFile Method
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 End-User Documentation

ChartControl.HitTest Method

Returns specific chart elements, which are located under the test point.

Namespace:DevExpress.XtraCharts
Assembly:DevExpress.XtraCharts.v17.2.UI.dll

Expanded Syntax

Parameters

x
Type: Int32
An integer value that specifies the x coordinate of the test point.
y
Type: Int32
An integer value that specifies the y coordinate of the test point.

Return value

Type: Object[]
An array of System.Objects, that represent the chart elements located under the test point.

Expanded Remarks

A DevExpress.XtraCharts.SeriesPoint isn't a chart element. To get the current series point under the test point, you need to use the CalcHitInfo method and use the DevExpress.XtraCharts.ChartHitInfo.SeriesPoint property.

Note

The HitTest method is supported in 2D charts only. It can't be used for 3D charts.

Expanded Example

The following examples demonstrates how to handle the ChartControl.MouseMove event and calculate the hit information for the point which the mouse pointer is currently hovering over. Then, the name of the chart element located under the mouse pointer is shown within the form caption.

Expanded See Also

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