Dundas Chart for Windows Forms
FilterTopN Method
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DundasWinChart Assembly > Dundas.Charting.WinControl Namespace > DataManipulator Class : FilterTopN Method


Enterprise Edition Only Feature. Filters all data points except for a specified number of largest or smallest points. Points are either removed or marked as empty, depending on the FilterSetEmptyPoints property.

Note that if multiple series are filtered then the series must be aligned, otherwise an exception will be thrown. Refer to the Aligning Series topic for information on aligned series.

Overload List

Overload Description
FilterTopN(Int32,String,String,String,Boolean)

Enterprise Edition Only Feature. Filters all data points in one or more series except for a specified number of points. The points that are not filtered correspond to points in the first input series that have the largest or smallest values.


Keeps only N top/bottom points of the series.  
FilterTopN(Int32,Series)

Enterprise Edition Only Feature. Filters out all data points in a series except for a specified number of points with the largest (first) Y-values. The Series object that is filtered is used to store the modified data.


Keeps only N top/bottom points of the series.  
FilterTopN(Int32,Series,Series)

Enterprise Edition Only Feature. Filters all data points in a series except for a specified number of points with the largest first Y-values.


Keeps only N top/bottom points of the series.  
FilterTopN(Int32,Series,Series,String)

Enterprise Edition Only Feature. Filters all data points in a series except for a specified number of points with the largest values.


Keeps only N top/bottom points of the series.  
FilterTopN(Int32,Series,Series,String,Boolean)

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


Keeps only N top/bottom points of the series.  
FilterTopN(Int32,String) Enterprise Edition Only Feature. Filters all data points in one or more series except for a specified number of points. The points that aren't filtered correspond to points in the first series that have the largest first Y-values.  The Series object(s) that are filtered are used to store the modified data.
Keeps only N top/bottom points of the series.  
FilterTopN(Int32,String,String)

Enterprise Edition Only Feature. Filters out data points in one or more series except for a specified number of points. The points that aren't filtered correspond to points in the first series that have the largest first Y-values.


Keeps only N top/bottom points of the series.  
FilterTopN(Int32,String,String,String)

Enterprise Edition Only Feature. Filters all data points in one or more series except for a specified number of points. The points that aren't filtered correspond to points in the first series that have the largest values.


Keeps only N top/bottom points of the series.  

Requirements

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

See Also

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