Returns an instance based on the model and STEP / Express ID (even when the instance itself might be non-existant)


public const string ifcenginedll = @"ifcengine.dll";

[DllImport(IFCEngineDLL, EntryPoint = "internalForceInstanceFromP21Line")]
public static extern Int32 internalForceInstanceFromP21Line(int_t model, Int64 P21Line);    

Property model

Size: 32 bit / 4 byte (value)
The handle to the model. The model handle is static during its existance. Several models can be opened simultaniously within one session. Different models are always independent, threads are allowed to be running on different models simultaniously.

Property P21Line

Size: 64 bit / 8 byte (value)