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The AS keyword defines a variable data type.



  • Specifies a parameter variable's type in a SUB or FUNCTION procedure. Cannot be used to define a function's type
  • Specifies an element's type in a user-defined data TYPE.
  • Assigns a file number to a file or device in an OPEN statement.
  • Specifies a field name in a random-access record (see FIELD)
  • Specifies a new file name when you rename a file (see NAME)
  • NOTE: Many QBasic keywords can be used as variable names if they are created as STRINGs using the suffix $. You cannot use them without the suffix, use a numerical suffix or use DIM, REDIM, _DEFINE, BYVAL or TYPE variable AS statements.

See also

Keyword Reference - Alphabetical
Keyword Reference - By Usage
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