How to write to a stream in a dictionary store.
Applications must construct an RDictionaryWriteStream object before they can write to a stream located in a dictionary store.
To prepare a stream for writing, use the RDictionaryWriteStream::AssignL() or RDictionaryWriteStream::AssignLC() functions, passing a reference to the dictionary store and the UID associated with the stream.
If no stream is associated with the UID, then a new stream is created. An association is made between the resulting stream ID and the UID.
If a stream is currently associated with the specified UID, then the existing stream is prepared for replacement.
The following code fragment is typical. store is a pointer to an opened dictionary store. RDictionaryWriteStream::AssignLC() opens the stream associated with the UID theuid and prepares the stream for writing:
... TUid theuid; CDictionaryStore* store; ... RDictionaryWriteStream outstream; outstream.AssignLC(*store,theuid); TSomeData data; ... outstream << data; outstream.CommitL() CleanupStack::PopAndDestroy(); // cleanup the write stream ... store->CommitL(); // commit changes to the dictionary store ...
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