add:新设置

Ink Canvas/Windows/SettingsViews/SettingsViews/AdvancedPanel.xaml.cs

@@ -172,11 +172,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/AutomationPanel.xaml.cs

@@ -1,5 +1,4 @@
 using System;
-using System;
 using System.Windows;
 using System.Windows.Controls;
 using Ink_Canvas.Windows.SettingsViews;
@@ -97,12 +96,14 @@ namespace Ink_Canvas.Windows.SettingsViews
 
                 border.Background = isOn
                     ? new SolidColorBrush(Color.FromRgb(0x35, 0x84, 0xE4))
-                    : new SolidColorBrush(Color.FromRgb(0xE1, 0xE1, 0xE1));
+                    : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(0xE1, 0xE1, 0xE1)));
 
                 var innerBorder = border.Child as Border;
                 if (innerBorder != null)
                 {
                     innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                    // 保持滑块为白色（主题切换时也更稳定）
+                    innerBorder.Background = new SolidColorBrush(Colors.White);
                 }
             }
             catch (Exception ex)

Ink Canvas/Windows/SettingsViews/SettingsViews/CanvasAndInkPanel.xaml.cs

@@ -184,11 +184,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/GesturesPanel.xaml.cs

@@ -122,11 +122,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/LuckyRandomPanel.xaml.cs

@@ -169,11 +169,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/PowerPointPanel.xaml.cs

@@ -261,11 +261,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/SettingsPanelBase.cs

@@ -182,11 +182,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/SnapshotPanel.xaml.cs

@@ -160,11 +160,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? System.Windows.HorizontalAlignment.Right : System.Windows.HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/StartupPanel.xaml.cs

@@ -222,11 +222,14 @@ namespace Ink_Canvas.Windows.SettingsViews
         private void SetToggleSwitchState(Border toggleSwitch, bool isOn)
         {
             if (toggleSwitch == null) return;
-            toggleSwitch.Background = isOn ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+            toggleSwitch.Background = isOn
+                ? new SolidColorBrush(Color.FromRgb(53, 132, 228))
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }
 

Ink Canvas/Windows/SettingsViews/SettingsViews/ThemeHelper.cs

@@ -8,6 +8,35 @@ namespace Ink_Canvas.Windows.SettingsViews
     /// </summary>
     public static class ThemeHelper
     {
+        private static bool IsToggleSwitchThumb(System.Windows.Controls.Border border)
+        {
+            try
+            {
+                if (border == null) return false;
+
+                // ToggleSwitch thumb 常见尺寸：19x19，圆角 10，父级为 48x25 的开关背景
+                if (border.Width < 16 || border.Width > 24 || border.Height < 16 || border.Height > 24)
+                    return false;
+
+                if (border.CornerRadius.TopLeft < 8) return false;
+
+                if (border.Parent is System.Windows.Controls.Border parent)
+                {
+                    if (parent.Width >= 40 && parent.Width <= 60 &&
+                        parent.Height >= 20 && parent.Height <= 35 &&
+                        parent.CornerRadius.TopLeft >= 10)
+                    {
+                        return true;
+                    }
+                }
+
+                return false;
+            }
+            catch
+            {
+                return false;
+            }
+        }
         /// <summary>
         /// 检查当前是否为深色主题
         /// </summary>
@@ -180,8 +209,12 @@ namespace Ink_Canvas.Windows.SettingsViews
                             }
                             else
                             {
-                                // 其他白色背景（如搜索框）
+                                // ToggleSwitch thumb 应保持白色，不参与主题背景替换
-                                border.Background = GetTextBoxBackgroundBrush();
+                                if (!IsToggleSwitchThumb(border))
+                                {
+                                    // 其他白色背景（如搜索框）
+                                    border.Background = GetTextBoxBackgroundBrush();
+                                }
                             }
                         }
                         else if (color.R == 250 && color.G == 250 && color.B == 250) // #fafafa - 主背景

Ink Canvas/Windows/SettingsViews/SettingsViews/ThemePanel.xaml.cs

@@ -230,11 +230,12 @@ namespace Ink_Canvas.Windows.SettingsViews
             if (toggleSwitch == null) return;
             toggleSwitch.Background = isOn 
                 ? new SolidColorBrush(Color.FromRgb(53, 132, 228)) 
-                : new SolidColorBrush(Color.FromRgb(225, 225, 225));
+                : (ThemeHelper.IsDarkTheme ? ThemeHelper.GetButtonBackgroundBrush() : new SolidColorBrush(Color.FromRgb(225, 225, 225)));
             var innerBorder = toggleSwitch.Child as Border;
             if (innerBorder != null)
             {
                 innerBorder.HorizontalAlignment = isOn ? HorizontalAlignment.Right : HorizontalAlignment.Left;
+                innerBorder.Background = new SolidColorBrush(Colors.White);
             }
         }