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Namespace: Autodesk.Revit.DB Class: Document

Document.LoadFamily(String)

Method
Description:
Loads an entire family and all its types/symbols into the document.
Remarks:

Loading an entire family may take a considerable amount of time and memory. It is recommended that you use one of the LoadFamilySymbol() methods and only load those symbols that you need.

Syntax
public bool LoadFamily(
	string filename
)
Parameters
Parameter Type Description
filename String The fully qualified filename of the Family file, usually ending in .rfa.
Return Value
Type Description
Boolean True if the entire family was loaded successfully into the project, otherwise False.
Exceptions
Exception Condition
ArgumentException Thrown when filename isor empty.