Where to declare variables in dialog script

[Gintaras]

Declare anywhere, initialize under WM_INITDIALOG.

Does this mean for example "list_csv.FromQmGrid(id(3 hDlg))" gets executed many times?

In your code yes.

correct code:

Code:

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;;;variables declared here:
str- test1
str- test2
str- test4
ICsv- list_csv

sel message
,case WM_INITDIALOG
,list_csv=CreateCsv()
,list_csv.ColumnCount=5
,list_csv.Separator="*"
,list_csv.FromQmGrid(id(3 hDlg))

and that the other variables get constantly re-declared?

ICsv- list_csv ;;declaration. Declarations are not executed at run time.
list_csv=CreateCsv() ;;initialization. Executed every time. If under WM_INITDIALOG, executed once, because WM_INITDIALOG message is received once in a dialog.