MemVarBlock()

Returns a codeblock that sets/gets a value of memvar variable

Syntax

      MEMVARBLOCK( <cMemvarName> ) --> <bBlock>

Arguments

<cMemvarName> – a string that contains the name of variable

Returns

<bBlock> a codeblock that sets/get the value of variable

Description

This function returns a codeblock that sets/gets the value of PRIVATE or PUBLIC variable. When this codeblock is evaluated without any parameters passed then it returns the current value of given variable. If the second parameter is passed for the codeblock evaluation then its value is used to set the new value of given variable – the passed value is also returned as a value of the codeblock evaluation.

Examples

      PROCEDURE Main()
         LOCAL cbSetGet
         PUBLIC xPublic

         cbSetGet := MEMVARBLOCK( "xPublic" )
         EVAL( cbSetGet, "new value" )
         ? "Value of xPublic variable", EVAL( cbSetGet )

         RETURN

Compliance

Clipper

Seealso

__MVGET(), __MVPUT()

Files

Library is rtl