ArcObjects Library Reference  (Carto)    

esriIdentifyOption Constants

Identify Option.

Constant Value Description
esriIdentifyAllLayers -1 All layers.
esriIdentifyVisibleLayers -2 Visible layers.
esriIdentifyTopmost -3 Topmost Layer.

Product Availability

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