IPersistStreamInit::GetSizeMax
This method should return the maximum size, in bytes, required in the stream to save the data to be persisted.
Definition
HRESULT GetSizeMax(ULARGE_INTEGER*pCbSize);
Parameters
pCbSize
[out] The address of a ULARGE_INTEGER used to return the number of bytes the object needs in the stream to save values.
Return Values
This method must return the HRESULT value S_OK to indicate success, and should generally return one of the standard COM error values to indicate failure.