RhinoCommon API
InstanceDefinitionInUse Method |
Determines whether the instance definition is referenced.
Namespace: Rhino.DocObjects
Assembly: RhinoCommon (in RhinoCommon.dll)

Parameters
- wheretoLook
- Type: SystemInt32
0 = check for top level references in active document.
1 = check for top level and nested references in active document.
2 = check for references in other instance definitions.
Return Value
Type: Booleantrue if the instance definition is used; otherwise false.

Rhino for Mac
Supported in: 5.4Rhino for Windows
Supported in: 6.14