Retrieves a list of supported UDF revision levels.
- pVal [out]
List of supported UDF revision levels. Each element of the list is VARIANT. The variant type is VT_I4. The lVal member of the variant contains the revision level.
S_OK is returned on success, but other success codes may be returned as a result of implementation. The following error codes are commonly returned on operation failure, but do not represent the only possible error values:
Pointer is not valid.
The value is encoded according to the UDF specification, except the variable size is LONG. For example, revision level 1.02 is represented as 0x102.
Minimum supported client
|Windows Vista, Windows XP with SP2 [desktop apps only]|
Minimum supported server
|Windows Server 2003 [desktop apps only]|