MDAC 2.5 SDK - OLE DB Programmer's Reference
Chapter 18: Programming Considerations
Providers are identified in the registry by the OLE DB Provider subkey under the class ID of the provider. Under HKEY_CLASSES_ROOT, providers must have the following subkeys and values for the extension of persisted data source object files and for the programmatic identifier.
Keys and subkeys | Name | Value |
HKEY_CLASSES_ROOT | ||
CLSID | ||
ProviderCLSID | (Default) | VersionIndependentProgID |
OLEDB_SERVICES | SupportedServices[1] | |
ExtendedErrors[2] | (Default) | Extended Error Service |
ErrorLookupCLSID[2] | (Default) | FriendlyDisplayName |
InprocServer32 | (Default) | ProviderDLLFilename |
ThreadingModel | Apartment|Free|Both | |
OLE DB Provider | (Default) | Description |
ProgID | (Default) | ProviderProgID |
VersionIndependentProgID | (Default) | VersionIndependentProgID |
ProviderProgID | (Default) | Description |
Clsid | (Default) | ProviderCLSID |
[1] Generally 0xffffffff.
[2] If Error Lookup Service is supported.
When an instance of the object is first created, providers return an interface pointer on a data source object. For more information about data source objects, see "Data Source Objects" in Chapter 2, "Data Source and Session Objects."