DataIndexFromPoint Method (ChartView)

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

Syntax

Visual Basic
C#

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

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

public System.int DataIndexFromPoint( 
   System.Windows.Point pt,
   System.int seriesIndex,
   MeasureOption option,
   out System.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.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

ChartView Class
ChartView Members