VJOYD_OpenTypeKey_Service
The VJOYD_OpenTypeKey_Service macro is used by joystick drivers to open a type key. It should mirror the IDirectInputJoyConfig8::OpenTypeKey method.
VJOYD_OpenTypeKey_Service, SERVICE
ENTRY:
eax = pointer to name of typeecx = pointer to DWORD in which to store the key
EXIT:
eax = same as _RegOpenKey