'win' all windows same class, result = also stack order?

[r0n]

I needed a quick way to get all totalcommander windows in an array with the topmost window beeing the first one in the array.
I used this example code:

Macro all_tcmd_and_topmost

Code:

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ARRAY(int) a; int i; str sc sn
win("" "TTOTAL_CMD" "" 0 0 0 a)
for(i 0 a.len)
,sc.getwinclass(a[i])
,sn.getwintext(a[i])
,out "%i '%s' '%s'" a[i] sc sn

It seems to work.
My question:
Can I assume that the code above indeed processes the windows in stack order?
Top-most window being the first one in the array?

I read this helpfile page: IDP_WIN.html
It states: win returns top-level window handle. If window not found, returns 0.
But according to the helpfile 'top-level' means:
A top-level window is a window that is not a part of other window.