074a979e_09___Dynamics_AX_2009_Features__Feature
[Sr.No.] 16 [Description] ByRef keyword for out or ref parameters, .NET Framework array and Enum Support [Feature] 
CLR Interop Enhancements
Dilip's blog on DYNAMICS AX: What’s New in Dynamics AX 2009 / Dynamics AX 2009 Features
Feature