PCount()

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PCOUNT()

Retrieves the number of arguments passed to a function.

Syntax

      PCOUNT() --> <nArgs>

Arguments

None

Returns

<nArgs> A number that indicates the number of arguments passed to a function or procedure.

Description

This function is useful to check if a function or procedure has received the required number of arguments.

Examples

      See Test

Tests

      PROCEDURE Test( xExp )
         IF PCount() == 0
            ? "This function needs a parameter"
         ELS
            ? xExp
         ENDIF
         RETURN

Compliance

Clipper

Files

Library is vm

Seealso

HB_PVALUE()