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Slow Alt-tab info

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Charles7
45 discussion posts
Slow DF alt-tab has been an issue for a decade. I would not use DF alt-tab, but, sadly, Microsoft is weak.

I noticed that when the tab-list displays all the previews fast, but draws an icon on each one, slow enough to see it happen.

The selected window does not open until those icons are drawn.

Solution:
1) Option to disable drawing them.
2) Allow the routine to be interrupted

Thanks.
Oct 18, 2022  • #1
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Is it slow to draw the icons every time, or is it intermittent? Mine draw instantly every time so I'm a bit stumped on why it would be slow on yours!

I will add a request for an advanced setting to disable the icons in alt+tab as well so that we can use that for troubleshooting.
Oct 18, 2022  • #2
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Charles7
45 discussion posts
It is intermittent.

Alt-tab display options could be a great feature for DF.
1) Text: Title/File/Path
2) Images Icon/Thumbnail sizes
3) Layout: List/Grid

Layout could also show the monitor layout diagram to see where they are.

But a simple toggle for Icons or anything that might be causing this would be great.
Oct 20, 2022  • #3
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Ok, interesting! How often does it happen? And does it seem to happen only if there are a lot of windows open?
Oct 20, 2022  • #4
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Charles7
45 discussion posts
It happens when 3d graphics are running / high cpu usage.
Oct 21, 2022  • #5
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Ok, that's good to know! I will do some further testing here. If we can reliably reproduce it then we should hopefully be able to fix it up as well. I have also added the feature request to our list for the option to disable the icons.

Thanks!
Oct 21, 2022  • #6
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Charles7
45 discussion posts
I've been using an autohotkey script to switch between specific windows... it always works instantly.

Hoping DF will add options to lighten the alt-tab process... it does seem that while the thumbnails load fast, the icon overlay is very slow.
7 days ago  • #7
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