ArcObjects Library Reference (Carto)  

esriBufferSpatialReferenceType Constants

Used to set the buffer projection system.

Constant Value Description
esriMapSpatialReference 0 Indicating the use of the map's spatial reference system for an operation.
esriFeatureClassSpatialReference 1 Indicating the use of the feature class's spatial reference system for an operation.
esriFeatureOptimizedSpatialReference 2 Indicating the use of a feature optimized spatial reference system for an operation.
esriFeatureSetOptimizedSpatialReference 3 Indicating the use of a feature set optimized spatial reference system for an operation.
esriOtherSpatialReference 4 Indicating the use of a specific spatial reference system for an operation.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.