Revit 2026 API
Mass |
Create a MassLevelData (Mass Floor) to associate a Level with a mass instance.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)
Syntax
public static ElementId AddMassLevelDataToMassInstance( Document document, ElementId massInstanceId, ElementId levelId )
Public Shared Function AddMassLevelDataToMassInstance ( document As Document, massInstanceId As ElementId, levelId As ElementId ) As ElementId
public: static ElementId^ AddMassLevelDataToMassInstance( Document^ document, ElementId^ massInstanceId, ElementId^ levelId )
static member AddMassLevelDataToMassInstance : document : Document * massInstanceId : ElementId * levelId : ElementId -> ElementId
Parameters
- document Document
- The Document.
- massInstanceId ElementId
- The ElementId of the mass instance.
- levelId ElementId
- The ElementId of the Level to associate with the mass instance.
Return Value
ElementIdThe ElementId of the MassLevelData that was created, or the existing ElementId if it was already in added.
| Exception | Condition |
|---|---|
| ArgumentException | The ElementId massInstanceId is not a mass instance. -or- The ElementId levelId is not a Level. |
| ArgumentNullException | A non-optional argument was null |
See Also