ArcObjects Library Reference (Display)  

esriEnvelopeConstraints Constants

Esri envelope constraint types.

Constant Value Description
esriEnvelopeConstraintsNone 0 No envelope constraint.
esriEnvelopeConstraintsSquare 1 Constrain envelope to square.
esriEnvelopeConstraintsAspect 2 Constrain envelope aspect ratio.

Product Availability

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