Checks whether the family type id is valid for the give family category.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0)
Since: 2015

Syntax

C#
`public bool IsDefaultFamilyTypeIdValid( ElementId familyCategoryId, ElementId familyTypeId )`

Visual Basic
`Public Function IsDefaultFamilyTypeIdValid ( _ familyCategoryId As ElementId, _ familyTypeId As ElementId _ ) As Boolean`

Visual C++
`public: bool IsDefaultFamilyTypeIdValid( ElementId^ familyCategoryId, ElementId^ familyTypeId )`

True if the family type id is valid for the give family category, false otherwise.

Exceptions

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