36 lines
1.3 KiB
C#
36 lines
1.3 KiB
C#
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using System;
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using System.IO;
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using System.Security;
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using Microsoft.Win32;
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using PCL.Core.Logging;
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namespace PCL.Core.UI.Theme;
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public static class SystemThemeHelper {
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private const string ThemeRegistryPath = @"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize";
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private const string AppsUseLightThemeKey = "AppsUseLightTheme";
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/// <summary>
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/// 检查系统是否处于深色模式。
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/// </summary>
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/// <returns>如果系统使用深色模式，则返回 true；否则返回 false（包括注册表不可访问的情况）。</returns>
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public static bool IsSystemInDarkMode() {
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try {
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using var registryKey = Registry.CurrentUser.OpenSubKey(ThemeRegistryPath);
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if (registryKey is null) {
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LogWrapper.Warn($"注册表键 {ThemeRegistryPath} 不存在");
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return false;
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}
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var value = registryKey.GetValue(AppsUseLightThemeKey) as int?;
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return value == 0; // 0 表示深色模式（AppsUseLightTheme = false）
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} catch (Exception ex) when (ex is SecurityException or IOException) {
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LogWrapper.Warn(ex, $"无法访问注册表键 {ThemeRegistryPath}");
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return false;
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}
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}
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[Obsolete("Use ThemeService.IsDarkMode instead")]
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public static bool IsDarkMode() => ThemeService.IsDarkMode;
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}
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