AutoCAD Map 3D 2009 Geospatial Platform Reference

AutoCAD Map 3D Geospatial Platform API

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MgFeatureAggregateOptions Class Reference
[MgFeatureAggregateOptions]

Inherits MgFeatureQueryOptions.

List of all members.

Detailed Description

Use this class to set the filter criteria used to select groups of features from a datastore or for restricting the values returned to be unique.

Remarks:
This is a subclass of MgFeatureQueryOptions. Read the topic filters and expressions for a discussion of all of the basic filter capabilities. An instance of this class is an argument to MgFeatureService::SelectAggregate().

Public Member Functions

 MgFeatureAggregateOptions ()
 Constructs an MgFeatureAggregateOptions object.
void SelectDistinct (bool yes)
 Use this method to restrict the values returned by a select operation to be unique.
void SetGroupingFilter (MgStringCollection *groupByProperties, CREFSTRING groupFilter)
 Modifies a select operation with a grouping filter so that the results are grouped.

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