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Data Syntax

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The Syntax member of a data structure describes the type of data stored in the value member. The Syntax member is a CLUSPROP_SYNTAX union that describes data in one of two ways:

  • As two WORD values with one value describing the format of the data and the other describing the data type. When Syntax is specified this way, the values are combined into a single DWORD at run time.
  • As a single DWORD value combining the format and type at compile time.

If there is no single DWORD value defined that describes the data, you must use a combination of format and type. For example, user-defined types must be described as a combination of format and type. Otherwise you can use either method of describing the data.