Revit 2025.3 API
Direct |
A quick check whether a definition already exists in the library. Checks for stored geometry objects only.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
public bool Contains( string id )
Public Function Contains ( id As String ) As Boolean
public: bool Contains( String^ id )
member Contains : id : string -> bool
Parameters
- id String
- Definition id
Return Value
BooleanTrue if a geometry definition exists, false otherwise.

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