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DataManipulator::FilterTopN Method (Int32, Series, Series, String, Boolean)

Filters all data points in a series except for a specified number of points with the smallest or largest values.

Namespace:  System.Web.UI.DataVisualization.Charting
Assembly:  System.Web.DataVisualization (in System.Web.DataVisualization.dll)

public:
void FilterTopN(
	int pointCount, 
	Series^ inputSeries, 
	Series^ outputSeries, 
	String^ usingValue, 
	bool getTopValues
)

Parameters

pointCount
Type: System::Int32
The number of data points that the filtering operation will not remove.
inputSeries
Type: System.Web.UI.DataVisualization.Charting::Series
The Series object to be filtered.
outputSeries
Type: System.Web.UI.DataVisualization.Charting::Series
A Series object that stores the filtered data. If the series does not exist, an exception will be thrown.
usingValue
Type: System::String
The data point value that the filtering rule is applied to. Can be X, Y, Y2, Y3, and so forth.
getTopValues
Type: System::Boolean
True if the largest values are kept, false if the smallest values are kept.

.NET Framework

Supported in: 4

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

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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