Test the category id to make sure the category is allowed for a DirectShape or DirectShapeType.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2015

Syntax

C#
`public static bool IsValidCategoryId( ElementId categoryId, Document doc )`

Visual Basic
`Public Shared Function IsValidCategoryId ( _ categoryId As ElementId, _ doc As Document _ ) As Boolean`

Visual C++
`public: static bool IsValidCategoryId( ElementId^ categoryId, Document^ doc )`

doc: Type: Autodesk.Revit.DB Document
Document to look up the category by id.

True if the category is allowed for a DirectShape or DirectShapeType, false if not.

Exceptions

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