xxxxGetAttrDefinitionByValue

...

Syntax

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

[DllImport(IFCEngineDLL, EntryPoint = "xxxxGetAttrDefinitionByValue")]
public static extern Int64 xxxxGetAttrDefinitionByValue(int_t instance, out IntPtr value);    

Property instance

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

Property value

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