ArcObjects Library Reference (Carto)  

esriT3DOrientationPlane Constants

Text3D orientation plane.

Constant Value Description
esriT3DPlaneXY 0 XY plane.
esriT3DPlaneXZ 1 XZ plane.
esriT3DPlaneYZ 2 YZ plane.

Product Availability

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