engiGetAttrIndexBN

This call works for non-complex entities and entities without multiple inheritance, it is advised not to use this call for other schemas. Technically engiGetAttrIndexBN will transform into the following call engiGetAttrIndex( sdaiGetAttrDefinition( entity, attributeName ) );

Syntax

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

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

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

Property entity

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

Property attributeName

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