This function supports the standard return values E_OUTOFMEMORY and E_UNEXPECTED, as well as the following:

S_OK

The registry entries were created successfully.

S_FALSE

Unregistration of this server's known entries was successful, but other entries still exist for this server's classes.

SELFREG_E_TYPELIB

The server was unable to remove the entries of all the type libraries used by its classes.

SELFREG_E_CLASS

The server was unable to remove the entries of all the object classes.

The server must not disturb any entries that it did not create which currently exist for its object classes. For example, between registration and unregistration, the user may have specified a TreatAs relationship between this class and another. In that case, unregistration can remove all entries except the TreatAs key and any others that were not explicitly created in DllRegisterServer. The Win32 registry functions specifically disallow the deletion of an entire populated tree in the registry. The server can attempt, as the last step, to remove the CLSID key, but if other entries still exist, the key will remain.

For an explanation of the requirement values, see Requirements (COM).

Windows NT/2000/XP: Requires Windows NT 4.0 or later.

Windows 95/98: Requires Windows 95 or later.

Header: Declared in olectl.h.

Library: User-defined.

Reference