Thanks @barche. This is Julia part, but how does your part look in c ++ ? i.e. How do you get the wchar_t pointer to Julie? If using a generic function jl_box_voidpointer(), then I must probably cast type Ptr{Void} to type Ptr{Cwchar_t}!?
Correct me if I’m wrong. Thank you very much for taking time for me.
With add Array to unsafe_wrap this get to println(2) 
(Windows 8.1), now just check.