DlgValue Instruction/Function

Syntax:
DlgValue DlgItem|$, Value
-or-
DlgValue(DlgItem|$)
Group: Dialog Function
Description:
Instruction: Set the numeric value DlgItem|$.

Function: Return the numeric value for DlgItem|$.

This instruction/function must be called directly or indirectly from a dialogfunc. The DlgItem|$ should refer to a CheckBox, DropListBox, ListBox or OptionGroup.
Parameter Description

DlgItem|$ If this is a numeric value then it is the dialog item number. The first item is 0, second is 1, etc. If this is a string value then it is the dialog item's field name.
Text Set the text of DlgItem|$ to this string value.
Example:

Sub Main
Begin Dialog UserDialog 150,147,.DialogFunc
GroupBox 10,7,130,77,"Direction",.Field1
PushButton 100,28,30,21,"&Up"
PushButton 100,56,30,21,"&Dn"
OptionGroup .Direction
OptionButton 20,21,80,14,"&North",.North
OptionButton 20,35,80,14,"&South",.South
OptionButton 20,49,80,14,"&East",.East
OptionButton 20,63,80,14,"&West",.West
OKButton 10,91,130,21
CancelButton 10,119,130,21
End Dialog
Dim dlg As UserDialog
Dialog dlg
MsgBox "Direction=" & dlg.Direction
End Sub

Function DialogFunc%(DlgItem$, Action%, SuppValue%)
Select Case Action%
Case 1 ' Dialog box initialization
Beep
Case 2 ' Value changing or button pressed
Select Case DlgItem$
Case "Up"
DlgValue "Direction",0
DialogFunc% = True 'do not exit the dialog
Case "Dn"
DlgValue "Direction",1
DialogFunc% = True 'do not exit the dialog
End Select
End Select
End Function