This function looks up a class identifier in the registry, given a programmatic identifier.
At a Glance
| Header file: | Objbase.h |
| Windows CE versions: | 2.10 and later |
Syntax
HRESULT CLSIDFromProgID (LPCOLESTR lpszProgID, LPCLSID pclsid );
Parameters
lpszProgID
[in] Long pointer to the ProgID whose class identifier is requested.
pclsid
[out] Pointer to the retrieved class identifier on return.
Return Values
One of the values described in the following table is returned.
| Value | Description |
| S_OK | The class identifier was retrieved successfully. |
| CO_E_CLASSSTRING | The registered class identifier for the ProgID is invalid. |
| REGDB_E_WRITEREGDB | An error occurred writing the class identifier to the registry. See the Remarks section. |
| REGDB_E_CLASSNOTREG | The class identifier for the ProgID cannot be found in the registry. |
Remarks
Given a ProgID, CLSIDFromProgID looks up its associated class identifier in the registry.