Document.LoadFamilySymbol(String, String, FamilySymbol) Method

Loads only the specified family type/symbol from a family file into the document and provides a reference to the loaded family symbol.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)

Syntax

public bool LoadFamilySymbol(
	string filename,
	string name,
	out FamilySymbol symbol
)

filename String: The fully qualified filename of the Family file, usually ending in .rfa.
name String: The name of the type/symbol to be loaded, such as "W11x14".
symbol FamilySymbol%: A reference to the family symbol that was loaded if successful, otherwise null.

Boolean
True if the family type/symbol was loaded successfully into the project, otherwise False.

Exception	Condition
ArgumentException	Thrown when filename or name is null or empty.

This function supports loading of types/symbols stored in the family, or those available in the family Type Catalog file.