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

sdaiIsInstanceOf

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Syntax

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

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

Property instance

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

Property entity

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