可以多次框选，右键边线弹菜单删除

src/WpfEditor/MainWindow.xaml.cs

@@ -12,6 +12,8 @@ using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using static System.Net.Mime.MediaTypeNames;
 using System.Windows.Shapes;
+using System.Collections.Generic;
+using System.Windows.Controls.Primitives;
 
 using Window = System.Windows.Window;
 using Point = System.Windows.Point;
@@ -25,6 +27,18 @@ namespace WpfEditor
         ReviseEdit
     }
 
+    public class CursorPositionChangedEventArgs : EventArgs
+    {
+        public int Line { get; set; }
+        public int Column { get; set; }
+
+        public CursorPositionChangedEventArgs(int line, int column)
+        {
+            Line = line;
+            Column = column;
+        }
+    }
+
     public partial class MainWindow : Window
     {
         private string _currentFilePath = null;
@@ -37,6 +51,8 @@ namespace WpfEditor
         private Point _selectionStartPoint;
         private Rectangle _selectionRectangle;
         private Canvas _selectionCanvas;
+        // 添加存储多个矩形选框的集合
+        private List<Rectangle> _selectionRectangles = new List<Rectangle>();
 
         public MainWindow(EditorMode mode = EditorMode.ImageOCR)
         {
@@ -49,6 +65,8 @@ namespace WpfEditor
             ImageViewer.MouseLeftButtonDown += ImageViewer_MouseLeftButtonDown;
             ImageViewer.MouseMove += ImageViewer_MouseMove;
             ImageViewer.MouseLeftButtonUp += ImageViewer_MouseLeftButtonUp;
+            // 添加右键事件
+            ImageViewer.MouseRightButtonDown += ImageViewer_MouseRightButtonDown;
             
             // 初始化选择画布
             InitializeSelectionCanvas();
@@ -603,15 +621,19 @@ namespace WpfEditor
                     double actualHeight = _selectionRectangle.Height / _imageZoomFactor;
 
                     // 显示坐标弹窗
-                    ShowCoordinateDialog(actualLeft, actualTop, actualWidth, actualHeight);
+                    //ShowCoordinateDialog(actualLeft, actualTop, actualWidth, actualHeight);
+                    
+                    // 将矩形添加到集合中，而不是清除
+                    _selectionRectangles.Add(_selectionRectangle);
                 }
-
-                // 清除选择矩形
-                if (_selectionRectangle != null)
+                else if (_selectionRectangle != null)
                 {
+                    // 如果矩形太小，则移除它
                     _selectionCanvas.Children.Remove(_selectionRectangle);
-                    _selectionRectangle = null;
                 }
+                
+                // 重置当前选择矩形引用，准备下一次选择
+                _selectionRectangle = null;
             }
         }
 
@@ -626,17 +648,68 @@ namespace WpfEditor
 
             MessageBox.Show(message, "矩形坐标信息", MessageBoxButton.OK, MessageBoxImage.Information);
         }
+
+
+        // 鼠标右键按下事件
+        private void ImageViewer_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (_mode == EditorMode.ReviseEdit && _selectionRectangles.Count > 0)
+            {
+                Point clickPoint = e.GetPosition(ImageViewer);
+                Rectangle clickedRectangle = null;
+
+                // 查找被点击的矩形选框
+                foreach (Rectangle rect in _selectionRectangles)
+                {
+                    if (IsPointOnRectangleBorder(clickPoint, rect))
+                    {
+                        clickedRectangle = rect;
+                        break;
+                    }
+                }
+
+                if (clickedRectangle != null)
+                {
+                    // 创建右键菜单
+                    ContextMenu contextMenu = new ContextMenu();
+                    MenuItem deleteMenuItem = new MenuItem { Header = "删除" };
+                    deleteMenuItem.Click += (s, args) => DeleteRectangle(clickedRectangle);
+                    contextMenu.Items.Add(deleteMenuItem);
+
+                    // 显示菜单
+                    contextMenu.IsOpen = true;
+                    contextMenu.PlacementTarget = ImageViewer;
+                    contextMenu.Placement = PlacementMode.MousePoint;
+                }
+            }
+        }
+
+        // 检查点击位置是否在矩形边线上
+        private bool IsPointOnRectangleBorder(Point point, Rectangle rectangle)
+        {
+            double left = Canvas.GetLeft(rectangle);
+            double top = Canvas.GetTop(rectangle);
+            double right = left + rectangle.Width;
+            double bottom = top + rectangle.Height;
+            double tolerance = 5; // 边线容差
+
+            // 检查是否在矩形边线附近
+            bool onLeftBorder = Math.Abs(point.X - left) <= tolerance && point.Y >= top - tolerance && point.Y <= bottom + tolerance;
+            bool onRightBorder = Math.Abs(point.X - right) <= tolerance && point.Y >= top - tolerance && point.Y <= bottom + tolerance;
+            bool onTopBorder = Math.Abs(point.Y - top) <= tolerance && point.X >= left - tolerance && point.X <= right + tolerance;
+            bool onBottomBorder = Math.Abs(point.Y - bottom) <= tolerance && point.X >= left - tolerance && point.X <= right + tolerance;
+
+            return onLeftBorder || onRightBorder || onTopBorder || onBottomBorder;
+        }
+
+        // 删除指定的矩形选框
+        private void DeleteRectangle(Rectangle rectangle)
+        {
+            _selectionCanvas.Children.Remove(rectangle);
+            _selectionRectangles.Remove(rectangle);
+        }
     }
 }
 
-public class CursorPositionChangedEventArgs : EventArgs
-{
-    public int Line { get; set; }
-    public int Column { get; set; }
 
-    public CursorPositionChangedEventArgs(int line, int column)
-    {
-        Line = line;
-        Column = column;
-    }
-}
+