Change registry key query for theme detection (#1760)

Mnaisuka · web-flow · commit fa3d64376270 · 2025-12-15T09:58:54.000+02:00
SystemUsesLightTheme &gt; AppsUseLightTheme
diff --git a/webview/platforms/winforms.py b/webview/platforms/winforms.py
@@ -317,7 +317,7 @@ def is_dark_theme(self):
                     0,
                     winreg.KEY_READ,
                 )
-                system_theme, _ = winreg.QueryValueEx(personalize_key, 'SystemUsesLightTheme')
+                system_theme, _ = winreg.QueryValueEx(personalize_key, 'AppsUseLightTheme')
                 winreg.CloseKey(personalize_key)
                 if system_theme == 0:
                     return True

Original file line number	Diff line number	Diff line change
`@@ -317,7 +317,7 @@ def is_dark_theme(self):`
`317`	`317`	`0,`
`318`	`318`	`winreg.KEY_READ,`
`319`	`319`	`)`
`320`		`- system_theme, _ = winreg.QueryValueEx(personalize_key, 'SystemUsesLightTheme')`
	`320`	`+ system_theme, _ = winreg.QueryValueEx(personalize_key, 'AppsUseLightTheme')`
`321`	`321`	`winreg.CloseKey(personalize_key)`
`322`	`322`	`if system_theme == 0:`
`323`	`323`	`return True`