You have to have at least one device before you can have a default
[wine] / dlls / dxdiagn /
drwxr-xr-x   ..
-rw-r--r-- 56 .cvsignore
-rw-r--r-- 307 Makefile.in
-rw-r--r-- 5454 container.c
-rw-r--r-- 3710 dxdiag_main.c
-rw-r--r-- 4399 dxdiag_private.h
-rw-r--r-- 239 dxdiagn.spec
-rw-r--r-- 3883 provider.c
-rw-r--r-- 16432 regsvr.c
-rw-r--r-- 1104 version.rc