Bentley Map automatically creates geometric properties for recognized features. These properties are read-only and include Geometry_Length for linear features, and Geometry_Perimeter and Geometry_Area for polygonal features.
The display of XFM calculated geometric properties can be disabled by defining the variable:
The display of spatial database geometric properties can be disabled by defining the variable
These variables can be added to your the Macros node of the Workspace in your project schema.