Indicates whether the object is to be automatically converted to a different
CLSID. It does this by setting the conversion bit in a storage object. The
setting can be retrieved with a call to the GetConvertStg
| IStorage * pStg,
||//Storage object where the conversion bit is to be set
| BOOL fConvert
||//Indicates whether an object is to be converted
Specifies the storage object in which to set the conversion bit.
If TRUE, sets the conversion bit for the object. If FALSE, clears the
Indicates the object's conversion bit was set successfully.
Indicates access to the storage object is not available.
Indicates the conversion bit was not set due to a lack of memory.
Indicates one or more arguments are invalid.
Indicates an unexpected error occurred.
See the IStorage::CreateStream
, and IStream::Write
methods for possible storage and stream access errors.
As part of converting an object from one class to another, container
applications call SetConvertStg
to set the conversion bit in the storage object. The bit is set to TRUE,
indicating that the object has been tagged for conversion to a new class the next
time it is loaded.
To retrieve the value of the conversion bit, an object application calls the GetConvertStg
function when it is loading the object. If the bit is set, the object
application converts the object to the new CLSID. To reset an object's conversion bit,
the object application calls the SetConvertStg
function with the fConvert
parameter set to FALSE.
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