From 4ad7db06ae820bf786a6ad062a00b648ca77aca0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=BE=89=E9=B8=AD=E8=9B=8B?= <huiyadanli@gmail.com>
Date: Sun, 5 Apr 2026 20:21:54 +0800
Subject: [PATCH] =?UTF-8?q?fix(ui):=20=E5=A4=84=E7=90=86=E6=A1=8C=E9=9D=A2?=
 =?UTF-8?q?=E7=BB=84=E5=90=88=E7=A6=81=E7=94=A8=E6=97=B6=E7=9A=84=E4=B8=BB?=
 =?UTF-8?q?=E9=A2=98=E5=BA=94=E7=94=A8=E5=BC=82=E5=B8=B8=20#2678?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

当系统桌面组合功能被禁用时，应用 Mica/Acrylic 主题会抛出 COM 异常（HRESULT: 0x80263001）。现通过异常捕获机制，在检测到此特定错误时回退到纯色背景方案，确保程序在受限环境下仍能正常运行。

- 在 ApplyThemeToWindow 方法中添加异常处理逻辑
- 引入 ApplyFallbackTheme 方法应用纯色后备主题
- 根据主题类型提供对应的后备背景色
---
 .../Helpers/Ui/WindowHelper.cs                | 41 ++++++++++++++++++-
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/BetterGenshinImpact/Helpers/Ui/WindowHelper.cs b/BetterGenshinImpact/Helpers/Ui/WindowHelper.cs
index d7655fd2..0b859e93 100644
--- a/BetterGenshinImpact/Helpers/Ui/WindowHelper.cs
+++ b/BetterGenshinImpact/Helpers/Ui/WindowHelper.cs
@@ -1,4 +1,6 @@
-using System.Diagnostics;
+using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
 using System.Windows.Media;
 using BetterGenshinImpact.Core.Config;
 using BetterGenshinImpact.GameTask;
@@ -9,6 +11,8 @@ namespace BetterGenshinImpact.Helpers.Ui;
 
 public class WindowHelper
 {
+    private const uint DesktopCompositionDisabledHResult = 0x80263001;
+
     public static void TryApplySystemBackdrop(System.Windows.Window window)
     {
         var themeType = TaskContext.Instance().Config.CommonConfig.CurrentThemeType;
@@ -37,6 +41,22 @@ public class WindowHelper
     /// <param name="window">要应用主题的窗口</param>
     /// <param name="themeType">主题类型</param>
     public static void ApplyThemeToWindow(System.Windows.Window window, ThemeType themeType)
+    {
+        try
+        {
+            ApplyThemeCore(window, themeType);
+        }
+        catch (COMException ex) when ((uint)ex.HResult == DesktopCompositionDisabledHResult)
+        {
+            ApplyFallbackTheme(window, themeType);
+        }
+        catch
+        {
+            ApplyFallbackTheme(window, themeType);
+        }
+    }
+
+    private static void ApplyThemeCore(System.Windows.Window window, ThemeType themeType)
     {
         switch (themeType)
         {
@@ -76,4 +96,21 @@ public class WindowHelper
                 break;
         }
     }
-}
\ No newline at end of file
+
+    private static void ApplyFallbackTheme(System.Windows.Window window, ThemeType themeType)
+    {
+        window.Background = new SolidColorBrush(GetFallbackBackgroundColor(themeType));
+        WindowBackdrop.ApplyBackdrop(window, WindowBackdropType.None);
+    }
+
+    private static Color GetFallbackBackgroundColor(ThemeType themeType)
+    {
+        return themeType switch
+        {
+            ThemeType.LightNone => Color.FromArgb(255, 243, 243, 243),
+            ThemeType.LightMica => Color.FromArgb(255, 243, 243, 243),
+            ThemeType.LightAcrylic => Color.FromArgb(255, 243, 243, 243),
+            _ => Color.FromArgb(255, 32, 32, 32)
+        };
+    }
+}