if or sel a not b image scan please

[BK]

Thankyou but "if !b--" no reaction
i think have #1 Line avi or mp4 or mkv .. etc

if #1 line position avi image click.
If not have a 1line avi If the check mp4 image click
next
mkv click
next
..
.
end

i want programming
Re: Thankyou