Checks if the ElementId is a mass family instance.

Namespace: Autodesk.Revit.DB.Analysis
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since: 2012

Syntax

C#
`public static bool IsMassFamilyInstance( Document document, ElementId id )`

Visual Basic
`Public Shared Function IsMassFamilyInstance ( _ document As Document, _ id As ElementId _ ) As Boolean`

Visual C++
`public: static bool IsMassFamilyInstance( Document^ document, ElementId^ id )`

True if the ElementId is a mass family instance, false otherwise.

Exceptions

Exception	Condition
Autodesk.Revit.ExceptionsArgumentNullException	A non-optional argument was null