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Developing ZIM Applications

How To Name Objects

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Names for objects defined in the Object Dictionary must conform to the following conventions:

  • The name can be from 1 to 18 characters in length.

  • The name can contain only letters (a-z, A-Z), digits (0-9), dollar signs ($), and underscores (_).

  • The name must begin with a letter or a dollar sign.

  • Most names must be unique among objects of the same type in the same application directory. (Note that the software is case-insensitive: ABC and abc are the same name.) For more information, see the documentation for your operating system.

  • The name does not duplicate words reserved to the software’s use, such as a command or function keyword (CREATE, $isalphabetic).

Examples of Object Names

Examples of valid names are

  • myfile98

  • x99

  • a

  • ProjectControl56

  • x_7b

  • date

  • $i

Compare these to the following invalid names:

  • 98myfile

  • 99

  • a+

  • x%@

  • ProjectControl 56/8

  • $Date


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