WriteClassStg

Stores the specified CLSID in a storage object.

HRESULT WriteClassStg(

IStorage * pStg,	//Points to the storage object
REFCLSID rclsid	//Specifies the CLSID to be stored in the storage object
);

Parameters
pStg

Points to the storage object that will get a new CLSID.

rclsid

Points to the CLSID to be stored with the object.

Return Values
S_OK

Indicates the CLSID was successfully written to the file.

STG_E_MEDIUMFULL

Indicates the CLSID could not be written due to lack of memory.

IStorage::SetClass method error return values.

Comments
This function writes a CLSID to the specified storage object so it can be read by the ReadClassStg function. Container applications typically call this function before calling the IPersistStorage::Save method.