Dialog edit text box math

[Gintaras]

Function dialog_calculator

Code:

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str dd=
;BEGIN DIALOG
;0 "" 0x90C80AC8 0x0 0 0 224 136 "Dialog"
;3 Edit 0x54030080 0x200 8 4 96 13 ""
;4 Edit 0x54030080 0x200 8 20 96 13 ""
;5 Edit 0x54030080 0x200 8 48 96 12 ""
;6 Static 0x54000000 0x0 8 36 48 13 "="
;7 Button 0x54032000 0x0 8 64 48 14 "+"
;8 Button 0x54032000 0x0 60 64 48 14 "-"
;1 Button 0x54030001 0x4 116 116 48 14 "OK"
;2 Button 0x54030000 0x4 168 116 48 14 "Cancel"
;END DIALOG
;DIALOG EDITOR: "" 0x2040304 "*" "" "" ""

str controls = "3 4 5"
str e3 e4 e5
if(!ShowDialog(dd &sub.DlgProc &controls)) ret


#sub DlgProc
function# hDlg message wParam lParam

sel message
,case WM_INITDIALOG
,case WM_DESTROY
,case WM_COMMAND goto messages2
ret
;messages2
sel wParam
,case IDOK
,case IDCANCEL
,case [7,8] goto gCalc ;;+ -
ret 1

;gCalc
double A B R
str s
s.getwintext(id(3 hDlg)); A=val(s 2)
s.getwintext(id(4 hDlg)); B=val(s 2)
sel wParam
,case 7 R=A+B ;;+
,case 8 R=A-B ;;-
s=R; s.setwintext(id(5 hDlg))