优化更新代码，添加界面功能并整合

WPFluent/Controls/Primitives/MenuItemGroup.cs

@@ -0,0 +1,76 @@
+using System.Collections.Generic;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace WPFluent.Controls.Primitives;
+
+public class MenuItemGroup : List<MenuItem>
+{
+    public bool IsCanCancel { get; set; } = false;
+
+    public static MenuItemGroup GetGroup(DependencyObject obj)
+    {
+        return (MenuItemGroup)obj.GetValue(GroupProperty);
+    }
+
+    public static void SetGroup(DependencyObject obj, MenuItemGroup value)
+    {
+        obj.SetValue(GroupProperty, value);
+    }
+
+    public static readonly DependencyProperty GroupProperty =
+        DependencyProperty.RegisterAttached("Group", typeof(MenuItemGroup), typeof(MenuItemGroup), new PropertyMetadata(null!, OnGroupChanged));
+
+    private static void OnGroupChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is MenuItem tb)
+        {
+            ((MenuItemGroup)e.NewValue).Join(tb);
+        }
+    }
+
+    protected bool Handling { get; set; } = false;
+
+    public MenuItemGroup JoinWith(MenuItem menuItem)
+    {
+        Join(menuItem);
+        return this;
+    }
+
+    public void Join(MenuItem menuItem)
+    {
+        Add(menuItem);
+
+        menuItem.Checked += (s, e) =>
+        {
+            if (s is MenuItem mi && GetGroup(mi) is MenuItemGroup group)
+            {
+                Handling = true;
+                foreach (var tb in group)
+                {
+                    if (tb != mi)
+                    {
+                        tb.IsChecked = false;
+                    }
+                }
+                Handling = false;
+            }
+        };
+        menuItem.Unchecked += (s, e) =>
+        {
+            if (!IsCanCancel && !Handling && s is MenuItem mi)
+            {
+                mi.IsChecked = true;
+            }
+        };
+        SetGroup(menuItem, this);
+    }
+
+    public void Unjoin(MenuItem checkBox)
+    {
+        Remove(checkBox);
+        SetGroup(checkBox, null!);
+    }
+
+    public static MenuItemGroup New() => [];
+}