Collects all the target geometry from the input geometry object and adds it as IFC handles to the IFCInfo. 
   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
- exporterIFC
 -  Type:  Autodesk.Revit.DB.IFC ExporterIFC  
The exporter. 
- geometryInfo
 -  Type:  Autodesk.Revit.DB.IFC IFCGeometryInfo  
The container object which collects the geometry. 
- gNode
 -  Type:  Autodesk.Revit.DB GeometryObject  
The geometry object to be processed. 
- offset
 -  Type:  Autodesk.Revit.DB XYZ  
The offset to apply to each of the collected geometry handles. 
- forceVisible
 -  Type:  System Boolean  
True to process geometry which is not set as visible. False to only process visible geometry. 
- transform
 -  Type:  Autodesk.Revit.DB Transform  
An overall transform to apply to each of the collected geometry handles. 
Remarks
 The type of geometry collected is determined by the method of creation for the IFCGeometryInfo. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |