After touching on the RTL at the end of Part II of the book, in the last three chapters I've covered the new features of VCL visual controls (Chapter 8), the changes in COM support (Chapter 9), and the brand new Ribbon component, based on the ActionManager architecture (the current chapter).
Another cornerstone of the VCL is its database support. The core database technology hasn't changed since the last version, if you don't consider the fact that it now supports Unicode. Actually, the TDataset class introduced support for Unicode in past versions, but that was based on the WideString type, not on the new UnicodeString type. Changes in the database access architecture, including the dbExpress library, will be covered in the next chapter, while the vastly improved DataSnap multi-tier architecture will be the topic of Chapter 12.
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