FUNCTIONUnder review

GETMV()

GetMV(cParametro) -> uValue

Reads a system parameter in branch context.

GETMV()AdvPL

01 · OVERVIEW

Overview

Reads SX6 for the connection branch. The reference describes help display when the parameter does not exist. The example prepares a block without automatically reading a potentially missing parameter. Return type follows the registered parameter. (Sources: refs. 1–1.)

02 · SYNTAX

Syntax

GetMV(cParametro) -> uValue

Parameters

cParametro

CharacterRequired

SX6 parameter name without branch.

Return value

Value according to parameter type.

03 · PRACTICAL EXAMPLE

Commented example

#Include "Protheus.ch"

User Function Ed470()
    // Execute only in a prepared test environment.
    Local bRead := {|| GetMV("MV_DIAS")}
    ConOut(ValType(bRead))
Return Nil

Expected result

Prepares block B; reading depends on the environment and does not occur here. Under review: editorial example neither compiled nor run in Protheus. Check includes, release, RDD and context before testing.

BEST PRACTICES

Do not append branch to the parameter name. Check type before arithmetic or comparison.
Under review: editorial example neither compiled nor run in Protheus. Check includes, release, RDD and context before testing.