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

engiGetAttrDerivedBN

This call can be used to check if an attribute is defined schema wise in the context of a certain entity

Syntax

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

[DllImport(IFCEngineDLL, EntryPoint = "engiGetAttrDerivedBN")]
public static extern Int64 engiGetAttrDerivedBN(Int64 entity, string attributeName);

[DllImport(IFCEngineDLL, EntryPoint = "engiGetAttrDerivedBN")]
public static extern Int64 engiGetAttrDerivedBN(Int64 entity, byte[] attributeName);

Property entity

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

Property attributeName

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