◄Compiler Directives► ◄Contents► ◄Index► ◄Back► {$DEFINE <symbol>} Description Defines a symbol. Once defined, the symbol can be used with the {$IFDEF} and the {$IFNDEF} directives for the rest of the program file or until undefined with {$UNDEF <symbol>}. See also: {$IFDEF}, {$IFNDEF}, {$UNDEF}