Switches between non-approximated (e.g., Curved) Analytical Models and approximated (made up of lines only) Analytical Models 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2011 
Syntax
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Parameters
- enableApproximation
 -  Type:  System Boolean  
Enable/disable approximated function. 
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions DisabledDisciplineException | None of the following disciplines is enabled: Structural. | 
| Autodesk.Revit.Exceptions InvalidOperationException | This AnalyticalModel does not support approximation. |