删选框同时删文本

src/WpfEditor/MainWindow.xaml.cs

@@ -314,7 +314,36 @@ namespace WpfEditor
             deleteMenuItem.Click += (s, e) =>
             {
                 var rect = (RectangleItem)((MenuItem)s).Tag;
+
+                // 先删除选框下的文字
+                int idx = -1;
+                foreach (var (line, index) in Editor._lines.Select((line, index) => (line, index) ))
+                {
+                    if (line.selected_rectange == null || !line.selected_rectange.HasValues)
+                    {
+                        continue;
+                    }
+                    int Id = line.selected_rectange["Id"].Value<int>();
+                    if (rect.Id == Id)
+                    {
+                        idx = index;
+                        break;
+                    }
+                }
+                if (idx != -1)
+                {
+                    Editor._lines.RemoveAt(idx);
+                }
+                
+                // 删除选框
                 ViewModel.RemoveRectangle(rect);
+
+                Editor.ClearSelection();
+                _textChanged = true;
+                Editor.InvalidateVisual();
+                // 触发文本改变事件
+                Editor.OnTextChanged();
+
             };
             
             contextMenu.Items.Add(deleteMenuItem);