Compute the spatial element geometry and returns the boundary face information. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0) 
  Since:  2012 
Syntax
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Parameters
- spatialElement
-  Type:  Autodesk.Revit.DB SpatialElement  
 Specifies the spatial element needs to be computed, should be Room or Space.
Return Value
Requested boundary face information.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | spatialElement is not a room or a space, and thus has no 3D geometry to calculate. -or- spatialElement is not enclosed in 2d or has no location, or the height is too small, and thus has no 3D geometry to calculate. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was null | 
| Autodesk.Revit.Exceptions InvalidOperationException | Failed to compute the given spatial element's geometry. |