Revert "add:新设置"

This reverts commit fbfac18ca0.

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

@@ -36,6 +36,8 @@ namespace Ink_Canvas.Windows.SettingsViews
                     var sourceCollection = info.DragInfo.SourceCollection as ObservableCollection<FloatingBarItem>;
 
                     Trace.WriteLine(info.InsertIndex);
+
+                    // 在同一个 ObservableCollection 中移动
                     if (targetCollection.Equals(sourceCollection))
                     {
                         if (info.InsertIndex == 0)
@@ -57,7 +59,7 @@ namespace Ink_Canvas.Windows.SettingsViews
                         }
                     }
                     else
-                    { 
+                    { // 跨 ObservableCollection 移动
                         sourceCollection.Remove(info.Data as FloatingBarItem);
                         targetCollection.Insert(info.InsertIndex, info.Data as FloatingBarItem);
                     }
@@ -93,12 +95,14 @@ namespace Ink_Canvas.Windows.SettingsViews
                 {
                     var targetCollection = info.TargetCollection as ObservableCollection<FloatingBarItem>;
                     var sourceCollection = info.DragInfo.SourceCollection as ObservableCollection<FloatingBarItem>;
+
+                    // 在同一个 ObservableCollection 中移动
                     if (targetCollection.Equals(sourceCollection))
                     {
                         targetCollection.Insert(info.InsertIndex, info.Data as FloatingBarItem);
                     }
                     else
-                    { 
+                    { // 跨 ObservableCollection 移动
                         sourceCollection.Remove(info.Data as FloatingBarItem);
                         targetCollection.Insert(info.InsertIndex, info.Data as FloatingBarItem);
                     }
@@ -140,6 +144,10 @@ namespace Ink_Canvas.Windows.SettingsViews
                 IconSource = FindResource("PenIcon") as DrawingImage,
             });
         }
+        
+        /// <summary>
+        /// 应用主题
+        /// </summary>
         public void ApplyTheme()
         {
             try
@@ -148,7 +156,7 @@ namespace Ink_Canvas.Windows.SettingsViews
             }
             catch (Exception ex)
             {
-                System.Diagnostics.Debug.WriteLine($"FloatingBarDnDSettingsPanel Ӧ������ʱ����: {ex.Message}");
+                System.Diagnostics.Debug.WriteLine($"FloatingBarDnDSettingsPanel 应用主题时出错: {ex.Message}");
             }
         }
     }