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If you are in a need to have a unique ID in your application you might want to make use of a Universally Unique IDentifier (UUID). The term UUID is interchangeable with GUID (Globally Unique ID). A UUID is a string that contains five blocks of hexadecimal digits. The Windows API has functions for this and in this blog I show you how to create UUIDs in Visual DataFlex. An example of a valid UUID string is: 2CA263F1-5C94-11E0-84CC-002170FBAC5B. As you can see it consists of 8 hexadecimal ...