Identifies if the family instance has its own geometry, or uses the symbol's geometry with a transform. 
   Namespace:   Autodesk.Revit.DB.IFC  
  Assembly:   RevitAPIIFC  (in RevitAPIIFC.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2012 
Syntax
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Parameters
- familyInstance
 -  Type:  Autodesk.Revit.DB FamilyInstance  
The family instance. 
Return Value
True if the instance has its own geometry. False if the symbol's geometry is used.Remarks
 A Family Instance can have its own copy of geometry, or use the symbol's geometry with a transform. This method identifies the source of this family instance's geometry. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |