XnView Software

I want do install and uninstall unattend batch script, but I have troubles with restore association after uninstall. I can "manually" associate throught registry after install, but after uninstall isnt restored previous association. this two things are already programed in main app, so is it ...

aaaaaaa here is this fucntion. I still searching it in right click / properties / EXIF and there is imposible change it thx for advice

is there way how can I modify orientation value for more selected pictures in one click?

thx, but I wrote about function "Define picture Orientation", it should mean function for editing just EXIF orientation value and thats fucntion isnt in XnView ... I think. I must rotate picture in XnView and EXIF modify by EXIFeditor ( http://www.kiwiczech.net/index.php?menu=353&sub=4 )

yes. when I only adjusting brightness, contrast, gamma etc. (no rotating image) why automaticly rotate picture by rotation tag and reseting it to value "1"? I think its unwanted, for this is another function "rotate by EXIF"

is this function already build in? where can I find it? I have XnView 1.98

I have some vertical photos with EXIF rotation information from my photo cam. when I adjust these pictures (etc. brightness, contrast, gamma), saved files are rotated to "right" position and EXIF rotation is reseted. in normal case that isnt problem, in normal picture viewers everythink looks fine ...