fgl_formfield_getoption()

The fgl_formfield_getoption() function allows you to retrieve information about the current field, during a dialog function:

fgl_formfield_getoption(option)

Where option is a CHAR(n) datatype variable which can be any one of the following:

x The column position within the screen

y The line position within the screen

length The length, in character spaces, of the field

The function returns values of the SMALLINT datatype.

In the example below, information window with the results of the fgl_formfield_getoption() function execution will appear after changing the focus (between the input fields) and pressing the ACCEPT button.

MAIN

DEFINE rec_1 RECORD

f1 CHAR(10),

f2 CHAR(10),

f3 CHAR(10),

f4 CHAR(10)

END RECORD

DEFINE field_info SMALLINT

DEFINE print_string CHAR(256)

OPEN WINDOW win AT 3,1 with FORM "fgl_formfield_getoption_function"

INPUT by name rec_1.* WITHOUT DEFAULTS

ON ACTION ACCEPT

LET field_info = fgl_formfield_getoption("x")

LET print_string = "fgl_formfield_getoption(\"x\") returned:", field_info

LET field_info = fgl_formfield_getoption("y")

LET print_string = print_string clipped, "\nfgl_formfield_getoption(\"y\") returned:", field_info

LET field_info = fgl_formfield_getoption("length")

LET print_string = print_string clipped, "\nfgl_formfield_getoption(\"lenght\") returned:", field_info

CALL fgl_winmessage("fgl_formfield_getoption", print_string, "info")

END INPUT

END MAIN

example form code

DATABASE FORMONLY

SCREEN

{

f1:[f1 ]f2:[f2 ]

f3:[f3 ]f4:[f4 ]

}

ATTRIBUTES

f1=FORMONLY.f1;

f2=FORMONLY.f2;

f3=FORMONLY.f3;

f4=FORMONLY.f4;

INSTRUCTIONS

SCREEN RECORD s_rec (

FORMONLY.f1,

FORMONLY.f2,

FORMONLY.f3,

FORMONLY.f4

)

DELIMITERS "[]"