engiGetAttrOptionalBN
Syntax
public const string ifcenginedll = @"ifcengine.dll"; [DllImport(IFCEngineDLL, EntryPoint = "engiGetAttrOptionalBN")] public static extern Int32 engiGetAttrOptionalBN(Int32 entity, string attributeName); [DllImport(IFCEngineDLL, EntryPoint = "engiGetAttrOptionalBN")] public static extern Int32 engiGetAttrOptionalBN(Int32 entity, byte[] attributeName);