Add nFeatures to selection set from the FeatureReader. Specify nFeatures = 0 for all features in reader. Internal identity mapping for layer dictates the properties used.
.NET Syntax
void AddFeatures(MgLayerBase layer, MgFeatureReader features, int nFeatures);
Java Syntax
void AddFeatures(MgLayerBase layer, MgFeatureReader features, int nFeatures);
PHP Syntax
void AddFeatures(MgLayerBase layer, MgFeatureReader features, int nFeatures);