AcMapFeatureService::SelectAggregate Method

Autodesk GIS Map Platform

AcMapFeatureService:: SelectAggregate Method

Selects groups of features from a feature source and applies filters to each of the groups according to the criteria set in the MgFeatureAggregateOptions argument.

virtual MgDataReader* SelectAggregate(
    MgResourceIdentifier* resource, 
    string className, 
    MgFeatureAggregateOptions* option
);
Parameters 
Description 
resource 
A resource identifier for the feature source.  
className 
The name of the feature class on which the select operation is performed.  
option 
An MgFeatureAggregateOptions instance containing all the criteria and filters required for this select operation.  
Returns

Returns an MgDataReader containing the group values.

Remarks

If you want to apply the criteria to all features without grouping them, use the SelectFeatures Method.

MgXX classes belong to the OsGeo.MapGuide namespace and are descibed in the Geospatial Platform Reference.

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