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IDataPointFilter Interface

Exposes the FilterDataPoint method, which allows Series data to be custom filtered.

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

public interface IDataPointFilter

The IDataPointFilter type exposes the following members.

Public methodFilterDataPointDetermines whether a particular data point in the series will be filtered.

The IDataPointFilter interface exposes the FilterDataPoint method, which takes a specific data point within a series and returns a Boolean value that determines whether that data point will be filtered.

To perform custom filtering:

  • Derive a new or existing class from this interface.

  • Override the FilterDataPoint method to provide the custom filtering logic.

  • To initiate the filtering operation, call one of the Filter methods in the DataManipulator class that takes an IDataPointFilter object as its first parameter.

For sample source code, see the FilterDataPoint method.

.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.