Thx for the answer and explaining. I try to show what happening only for If function. iniwrite working good, couse the button upper the gui,show, that's why iniwrite working. my bad that i give a wrong/not full information.
here is a link to file with script and .ini to see more details.

what i want:
i choose LShift in combobox.
LShift must become <+.
<+ must be saved in .ini file as choice of LShift.
when press the button i have a <+, not LShift.

what happening:

i choose LShift in combobox .

LShift saving in .ini file.

when press the button i have a LShift , not <+.