话不多说，做个笔记
FamilyInstance instance; var typeid = instance.GetTypeId(); var symbol = RevitDoc.GetElement(typeid) as FamilySymbol; var familyName = symbol.FamilyName;
【Revit API】FamilyInstance、FamilySymbol、Family的寻找关系
原文：https://www.cnblogs.com/lovecsharp094/p/9168626.html