Revit 2025 API
Multi |
Checks if the reference category can be used with multi-reference annotations.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public bool IsAllowedReferenceCategory( ElementId referenceCategoryId )
Public Function IsAllowedReferenceCategory ( referenceCategoryId As ElementId ) As Boolean
public: bool IsAllowedReferenceCategory( ElementId^ referenceCategoryId )
member IsAllowedReferenceCategory : referenceCategoryId : ElementId -> bool
Parameters
- referenceCategoryId ElementId
- The reference category to check.
Return Value
BooleanTrue when the reference category can be used by multi-reference annotations.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |

Only Structural Rebar is allowed.
See Also