Creates an IFC header instance in the file model. 
   Namespace:   Autodesk.Revit.DB.IFC  
  Assembly:   RevitAPIIFC  (in RevitAPIIFC.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2013 
Syntax
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Parameters
- name
 -  Type:  System String  
The instance name. 
Return Value
The instance handle.Remarks
 file_schema, file_description and file_name must be created to get IFC file written successfully. Otherwise, the output IFC file would be empty. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |