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chore: deprecate systemPreferences.isAeroGlassEnabled() (#45434)

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Milan Burda 2025-02-10 21:17:07 +01:00 • committed by GitHub
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30
docs/api/system-preferences.md
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@ -6,7 +6,7 @@ Process: [Main](../glossary.md#main-process), [Utility](../glossary.md#utility-p
```js
const { systemPreferences } = require('electron')
console.log(systemPreferences.isAeroGlassEnabled())
console.log(systemPreferences.getEffectiveAppearance())
```
## Events
@ -181,35 +181,13 @@ Some popular `key` and `type`s are:
Removes the `key` in `NSUserDefaults`. This can be used to restore the default
or global value of a `key` previously set with `setUserDefault`.
### `systemPreferences.isAeroGlassEnabled()` _Windows_
### `systemPreferences.isAeroGlassEnabled()` _Windows_ _Deprecated_
Returns `boolean` - `true` if [DWM composition][dwm-composition] (Aero Glass) is
enabled, and `false` otherwise.
An example of using it to determine if you should create a transparent window or
not (transparent windows won't work correctly when DWM composition is disabled):
```js
const { BrowserWindow, systemPreferences } = require('electron')
const browserOptions = { width: 1000, height: 800 }
// Make the window transparent only if the platform supports it.
if (process.platform !== 'win32' || systemPreferences.isAeroGlassEnabled()) {
browserOptions.transparent = true
browserOptions.frame = false
}
// Create the window.
const win = new BrowserWindow(browserOptions)
// Navigate.
if (browserOptions.transparent) {
win.loadFile('index.html')
} else {
// No transparency, so we load a fallback that uses basic styles.
win.loadFile('fallback.html')
}
```
**Deprecated:**
This function has been always returning `true` since Electron 23, which only supports Windows 10+.
[dwm-composition]: https://learn.microsoft.com/en-us/windows/win32/dwm/composition-ovw

7
docs/breaking-changes.md
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@ -63,6 +63,13 @@ webContents.on('console-message', ({ level, message, lineNumber, sourceId, frame
Additionally, `level` is now a string with possible values of `info`, `warning`, `error`, and `debug`.
### Deprecated: `systemPreferences.isAeroGlassEnabled()`
The `systemPreferences.isAeroGlassEnabled()` function has been deprecated without replacement.
It has been always returning `true` since Electron 23, which only supports Windows 10+, where DWM composition can no longer be disabled.
https://learn.microsoft.com/en-us/windows/win32/dwm/composition-ovw#disabling-dwm-composition-windows7-and-earlier
## Planned Breaking API Changes (34.0)
### Behavior Changed: menu bar will be hidden during fullscreen on Windows