diff --git a/System/Windows/Forms/Menu.cs b/System/Windows/Forms/Menu.cs
index d7db668..4b528c4 100644
--- a/System/Windows/Forms/Menu.cs
+++ b/System/Windows/Forms/Menu.cs
@@ -883,6 +883,14 @@ internal virtual void ItemsChanged(int change)
             {
                 DestroyMenuItems();
             }
+            else if ((uint)change == 4)
+            {
+                DestroyMenuItems();
+                CreateMenuItems();
+                foreach (MenuItem item in MenuItems) {
+                    item.UpdateMenuItem(true);
+                }
+            }
         }
 
         private IntPtr MatchKeyToMenuItem(int startItem, char key, MenuItemKeyComparer comparer)
diff --git a/System/Windows/Forms/MenuItem.cs b/System/Windows/Forms/MenuItem.cs
index 8cbc956..7496695 100644
--- a/System/Windows/Forms/MenuItem.cs
+++ b/System/Windows/Forms/MenuItem.cs
@@ -155,7 +155,7 @@ internal bool Visible
                     if ((state & 0x10000) == 0 != value)
                     {
                         state = (value ? (state & -65537) : (state | 0x10000));
-                        ItemsChanged(1);
+                        ItemsChanged(4);
                     }
                 }
             }