Instance Header API Calls
File IO API Calls
Schema Reading API Calls
Instance Reading API Calls
Instance Writing API Calls
Controling API Calls
Uncategorized API Calls
Geometry Kernel related API Calls
Deprecated API Calls (GENERIC)
Validation
Deprecated API Calls (GEOMETRY)

xxxxGetInstancesUsing

This call returns an aggregation containing all instances referencing the given instance. note: this is independent from if there are inverse relations defining such an aggregation or parts of it.

Syntax

C++ 32 bit
C++ 64 bit
C# 32 bit
C# 64 bit
public const string ifcenginedll = @"ifcengine.dll";

[DllImport(IFCEngineDLL, EntryPoint = "xxxxGetInstancesUsing")]
public static extern Int64 xxxxGetInstancesUsing(int_t instance);

Property instance

Size: 64 bit / 8 byte (value)
...