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sdaiTestAttrBN

Technically it will transform into the following call

    sdaiGetAttrDefinition(
            sdaiGetInstanceType(
                    instance
                ),
            attributeName
        );

Syntax

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

[DllImport(IFCEngineDLL, EntryPoint = "sdaiTestAttrBN")]
public static extern Int32 sdaiTestAttrBN(int_t instance, string attributeName);

[DllImport(IFCEngineDLL, EntryPoint = "sdaiTestAttrBN")]
public static extern Int32 sdaiTestAttrBN(int_t instance, byte[] attributeName);

Property instance

Size: 32 bit / 4 byte (value)
...

Property attributeName

Size: 32 bit / 4 byte (reference)
...