--- lang: ja-jp breaks: true --- # WinUI 3 Windows の `Theme` テーマ(ライト/ダーク)を取得する 2022-07-27  ```csharp= ApplicationTheme appTheme = Application.Current.RequestedTheme; switch (appTheme) { case ApplicationTheme.Light: ViewModel.Dark_switch = false; break; case ApplicationTheme.Dark: ViewModel.Dark_switch = true; break; } ``` ###### tags: `WinUI 3` `C#` `Windows 11` `Theme` `ApplicationTheme`
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