Thanks

You mean that OS4emu dont emulate the OS4's Warp3D but the OS3 one. So ironical for an OS4 emulation
So what is the solution ? Can I update OS4emu's Warp3D a way or another ?

BTW BSzili your code in Wazp3D for W3D_RequestMode() dont seems to works It seems to crash on AllocAslRequestTags

Alain