WINDOWBLINDS 10 DARK WINDOWS
In other words, Microsoft implemented "dark mode" failing to take advantage of the API that has literally existed since Windows 1.0 to define window colors.
If the menu bar is still the default Windows gray after doing that, though, there is indeed a bug in the menu control. You can fix this by changing the colors with the Classic Color Changer app, I linked to above. This is evident also with applications that ship with Windows, such as Windows Explorer's settings, the classic control panel, task manager, and pretty much everything that is not a modern UWP app not respecting dark mode at all. You will still get a WM_WININICHANGE, and even dark mode uses this broadcast with lParam set to ImmersiveColorSet to notify of a theme change, after which you can then check the color, theme, and light/dark mode settings and apply them to the control.īasically, though, the issue is Windows ignoring legacy app support with dark mode, so far, and dark mode is only a binary setting at HKCU\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize\AppsUseLightTheme which doesn't indicate at all what dark means and what light means (with an API that returns colors only returning white or black), and the expectation that an application decides what to do.
WINDOWBLINDS 10 DARK UPDATE
Because the settings UIs are now gone, the Win32 API broadcasts to tell application windows to update the interface colors now also does nothing and the colors are now only updated when you log on, meaning you need to sign out and sign back in or restart your computer (if you changed the colors of the default user to affect the login screen, if you're using the classic kind) to have them take effect. The settings do however still work, and you can still change them with something like Classic Color Panel and Advanced System Font Changer (or directly in the registry as RGB values stored at HKCU/Control Panel/Colors).
WINDOWBLINDS 10 DARK WINDOWS 8
But apparently it doesn't, and the new "dark mode" doesn't change any of the legacy "theme" colors (previously changeable in the Color and Appearance dialogs in the control panel) which have been removed in Windows 8 or 8.1. It should still work the same way it always has, if you aren't using the default OS controls, you grab the appropriate color using GetSysColor and the fonts with SystemParametersInfoA and set it on your custom control. Looks like dark mode works by letting the application pick its own colors though (welcome to the web-like era of development), so if you're trying to stick to the "default" ones then that may backfire.Īpparently whatever API or magic is involved to let the command prompt and Explorer support it is undocumented.
I found this, they mention the registry method but some answers also have less invasive solutions (possibly more futureproof), not sure how many of those work but may be worth looking into:Īlso, Microsoft is well aware that programmers will get their way and I imagine they won't want to risk breaking it once several applications have started to rely on a given quirk :P Also the idea of trying to guess the mode by the default colors could be worth checking in the worst case >_> (though I'd try to compare colors rather than looking for specific ones, which may make it work in more scenarios) Looking up and it does seem that Microsoft is intentionally trying to keep it an UWP-only feature… though they didn't do a great job in that sense.
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