ArcObjects Library Reference (Carto)  

esriRasterTransparencyStateEnum Constants

The transparency states for rendering raster.

Constant Value Description
esriRasterTransparencyStateOpaque 0 Raster transparency state is opaque.
esriRasterTransparencyStateAlpha 1 Raster transparency state is alpha.
esriRasterTransparencyStateMask 2 Raster transparency state is mask.

Product Availability

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