ReadClassStg

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This function reads the CLSID previously written to a storage object with the WriteClassStg .

WINOLEAPI ReadClassStg(
IStorage
*
pStg
,
CLSID *
pclsid
);

Parameters

pStg

[in] Pointer to the IStorage interface on the storage object containing the CLSID to be retrieved.

pclsid

[out] Pointer to where the CLSID is written. Can return CLSID_NULL.

Return Values

This function supports the standard return value E_OUTOFMEMORY, as well as the following:

S_OK

The CLSID was returned successfully.

This function also returns any of the error values returned by the IStorage::Stat method.

Windows CE Remarks

Passing into this function any invalid and, under some circumstances, NULL pointers will result in unexpected termination of the application.

Remarks

This function is simply a helper function that calls the IStorage::Statmethod and retrieves the CLSID previously written to the storage object with a call to WriteClassStgfrom the STATSTG structure.

Requirements

Runs on	Versions	Defined in	Include	Link to
Windows CE OS	2.0 and later	Ole2.h		Ole232.lib

Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.