GetInstanceGeometryClass

If one of the classes this instance is instantiated from or one of its parents is a geometry class, this class is returned. In all other cases the return value is 0.

Syntax

public const string enginedll = @"engine.dll";

[DllImport(enginedll, EntryPoint = "GetInstanceGeometryClass")]
public static extern Int64 GetInstanceGeometryClass(Int64 owlInstance);    

Property owlInstance

Size: 64 bit / 8 byte (value)
The handle to the specific instance in the design tree. The instance handle is static within one open model but is most probably different when the same instance is opened in another model. The instance is always exactly of one unique class.