diff --git a/source/gui/detail/native_window_interface.cpp b/source/gui/detail/native_window_interface.cpp
index ed95415f..786a5df2 100644
--- a/source/gui/detail/native_window_interface.cpp
+++ b/source/gui/detail/native_window_interface.cpp
@@ -1235,13 +1235,14 @@ namespace nana{
 		native_window_type native_interface::parent_window(native_window_type child, native_window_type new_parent, bool returns_previous)
 		{
 #ifdef NANA_WINDOWS
-			auto prev = reinterpret_cast<native_window_type>(
-						::SetParent(reinterpret_cast<HWND>(child), reinterpret_cast<HWND>(new_parent))
-					);
+			auto prev = ::SetParent(reinterpret_cast<HWND>(child), reinterpret_cast<HWND>(new_parent));
+
+			if (prev)
+				::PostMessage(prev, WM_CHANGEUISTATE, UIS_INITIALIZE, NULL);
 
 			::SetWindowPos(reinterpret_cast<HWND>(child), NULL, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_FRAMECHANGED);
 
-			return (returns_previous ? prev : nullptr);
+			return reinterpret_cast<native_window_type>(returns_previous ? prev : nullptr);
 #elif defined(NANA_X11)
 			native_window_type prev = nullptr;
 
diff --git a/source/gui/widgets/menu.cpp b/source/gui/widgets/menu.cpp
index fd206764..3e1159a5 100644
--- a/source/gui/widgets/menu.cpp
+++ b/source/gui/widgets/menu.cpp
@@ -526,17 +526,16 @@ namespace nana
 						auto index = state_.active;
 						for (auto & m : menu_->items)
 						{
+							if (0 == index--)
+								break;
+
 							if (m.flags.splitter)
 							{
 								pos.y += 2;
 								continue;
 							}
 
-							if (0 == index)
-								break;
-
 							pos.y += _m_item_height() + 1;
-							--index;
 						}
 
 						tmstamp = state_.active_timestamp;