# ISNEGATIVE()

Checks if passed char is a negation char.

Syntax

  ISNEGATIVE( <cChar> ) --> <lTrueOrFalse>

Arguments

  <cChar> is a char or string of chars

Returns

  <lTrueOrFalse> True if passed char is a negation char, otherwise false.

Description

  This function is used to check if a user's input is true or not according to the msgxxx module used.

Examples

          // Wait until user enters N
          DO WHILE !ISNEGATIVE( cYesNo )
            ACCEPT "Sure: " TO cYesNo
          END DO

Status

  Ready

Compliance

  ISNEGATIVE() is fully CA-Clipper compliant.

Files

  Library is rtl

See Also

- ISAFFIRM()
- NATIONMSG()