Revision as of 14:31, 20 March 2009

VARREAD()

Class

Screen Forms

Purpose

Function to return name of the @...GET variable being processed by a READ

Syntax

VARREAD()

See Also

@...GET, RECNO(), PCOUNT(), READVAR()

Description

The VARREAD() function is synonymous with the READVAR() function. The VARREAD() function returns the name of the current @...GET variable being processed by a READ command. The VARREAD() function is most useful if used in conjunction with the @...GET...VALIDATE command and a validation procedure used to validate more than one field/variable.

Example

// Pop-up choice list called from a field validation
procedure choices
parameters m_input
if the [HELP] key is pressed
if m_input = "HELP"
m_exp = iif(varread()="acc_no","account", "supplier")
select codes
save screen
set message to "Select code.  ^C to abandon."
menu browse &m_exp at 5,30 to 15,40 quit clear
restore screen
// if a selection was made
if not empty(menuitem(),3)
set fieldval to left(menuitem(),3)
set validate on
endif
select accounts
else
// validate as required
endif
endif
return

Products

Recital Mirage Server, Recital Terminal Developer