DataIndexFromPoint Method | ComponentOne Chart for WPF and Silverlight

DataIndexFromPoint Method

In This Topic

Get the index of closest data point that corresponds to the specified point.

Syntax

Visual Basic
C#

'Declaration
 
Public Function DataIndexFromPoint( _
   ByVal pt As Point, _
   ByVal seriesIndex As Integer, _
   ByVal option As MeasureOption, _
   ByRef distance As Double _
) As Integer

'Usage
 
Dim instance As ChartView
Dim pt As Point
Dim seriesIndex As Integer
Dim option As MeasureOption
Dim distance As Double
Dim value As Integer
 
value = instance.DataIndexFromPoint(pt, seriesIndex, option, distance)

public int DataIndexFromPoint( 
   Point pt,
   int seriesIndex,
   MeasureOption option,
   out double distance
)

Parameters

pt: Point in the control coordinates.
seriesIndex: Index of series.
option: Measure option.
distance: Distance from the data point to the specified point.

Return Value

The index of the data point that is closest to the specified point.

Reference

ChartView Class
ChartView Members

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