xxxxGetAttrTypeBN

This call is deprecated, please use calls engiGetAttrTypeBN(..) instead. Technically it will transform into the following call

    xxxxGetAttrType(
            instance,
            sdaiGetAttrDefinition(
                    sdaiGetInstanceType(
                            instance
                        ),
                    attributeName
                ),
            attributeType
        );

Syntax

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

[DllImport(IFCEngineDLL, EntryPoint = "xxxxGetAttrTypeBN")]
public static extern Int64 xxxxGetAttrTypeBN(int_t instance, string attributeName, out IntPtr attributeType);

[DllImport(IFCEngineDLL, EntryPoint = "xxxxGetAttrTypeBN")]
public static extern Int64 xxxxGetAttrTypeBN(int_t instance, byte[] attributeName, out IntPtr attributeType);    

Property instance

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

Property attributeName

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

Property attributeType

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