_RegDeleteKey

include vmm.h

LONG _RegDeleteKey(HKEY hkey, LPTSTR lpszSubKey)

Deletes the specified key. Do not use this service to delete a key that has subkeys. See the documentation for the Win32 function of the same name for additional information.

Returns ERROR_SUCCESS if the function succeeds. Otherwise, an error code is returned, possibly one of the following:

ERROR_FILE_NOT_FOUND
ERROR_KEY_DELETED
ERROR_REGISTRY_IO_FAILED
ERROR_REGISTRY_CORRUPT
ERROR_BADDB

hkey

Handle of an open key or one of the predefined keys:

HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
HKEY_DYN_DATA

lpszSubKey

Address of null-terminated string specifying the name of the key to delete.

Of the predefined key values, only HKEY_LOCAL_MACHINE is available to VxDs during VxD initialization time. The entire registry space can only be accessed after VxD initialization is complete.