I don't want to delve into the details of features that change considerably in Delphi 2009 here and we'll have time to cover them later in the book. Now it is time to start looking at the actual implementation for Unicode strings, the new UnicodeString type. There are many changes in using strings in Delphi 2009, that's why the next chapter is one of the longest in the book.
21 WideString is a COM BSTR that uses UTF-16 in Windows 2000 and above, while it is based on UCS-2 in Win9x and NT. Some more details are available at: http: / / msdn.microsoft.com/ en-us/library/ ms221069.aspx
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