diff --git a/include/wx/mac/menu.h b/include/wx/mac/menu.h
index 6ed7985df9..6c39c96fc0 100644
--- a/include/wx/mac/menu.h
+++ b/include/wx/mac/menu.h
@@ -162,6 +162,11 @@ public:
         // attach to a frame
     void Attach(wxFrame *frame);
 
+		// clear the invoking window for all menus and submenus
+	void UnsetInvokingWindow() ;
+
+		// set the invoking window for all menus and submenus
+	void SetInvokingWindow( wxFrame* frame ) ;
 #if wxUSE_ACCEL
     // get the accel table for all the menus
     const wxAcceleratorTable& GetAccelTable() const { return m_accelTable; }
diff --git a/src/mac/app.cpp b/src/mac/app.cpp
index 58ee010fa4..c10922c3a9 100644
--- a/src/mac/app.cpp
+++ b/src/mac/app.cpp
@@ -2330,13 +2330,16 @@ void wxApp::MacHandleMenuSelect( int macMenuId , int macMenuItemNum )
         {
             item->Check( !item->IsChecked() ) ;
         }
-
+		
+		menu->SendEvent( id , item->IsCheckable() ? item->IsChecked() : -1 ) ;
+		/*
         wxWindow* frontwindow = wxFindWinFromMacWindow( ::FrontWindow() )  ;
         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id );
         event.m_timeStamp =  ((EventRecord*) MacGetCurrentEvent())->when ;
         event.SetEventObject(menu);
         event.SetInt(item->IsCheckable() ? item->IsChecked() : -1);
         frontwindow->GetEventHandler()->ProcessEvent(event); 
+        */
     }
     HiliteMenu(0);
 }
diff --git a/src/mac/carbon/app.cpp b/src/mac/carbon/app.cpp
index 58ee010fa4..c10922c3a9 100644
--- a/src/mac/carbon/app.cpp
+++ b/src/mac/carbon/app.cpp
@@ -2330,13 +2330,16 @@ void wxApp::MacHandleMenuSelect( int macMenuId , int macMenuItemNum )
         {
             item->Check( !item->IsChecked() ) ;
         }
-
+		
+		menu->SendEvent( id , item->IsCheckable() ? item->IsChecked() : -1 ) ;
+		/*
         wxWindow* frontwindow = wxFindWinFromMacWindow( ::FrontWindow() )  ;
         wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id );
         event.m_timeStamp =  ((EventRecord*) MacGetCurrentEvent())->when ;
         event.SetEventObject(menu);
         event.SetInt(item->IsCheckable() ? item->IsChecked() : -1);
         frontwindow->GetEventHandler()->ProcessEvent(event); 
+        */
     }
     HiliteMenu(0);
 }
diff --git a/src/mac/carbon/frame.cpp b/src/mac/carbon/frame.cpp
index 09544ddd4d..7f1860a837 100644
--- a/src/mac/carbon/frame.cpp
+++ b/src/mac/carbon/frame.cpp
@@ -240,6 +240,26 @@ void wxFrame::OnActivate(wxActivateEvent& event)
 	}
 }
 
+void wxFrame::DetachMenuBar()
+{
+    if ( m_frameMenuBar )
+    {
+        m_frameMenuBar->UnsetInvokingWindow();
+    }
+
+    wxFrameBase::DetachMenuBar();
+}
+
+void wxFrame::AttachMenuBar( wxMenuBar *menuBar )
+{
+    wxFrameBase::AttachMenuBar(menuBar);
+
+    if (m_frameMenuBar)
+    {
+        m_frameMenuBar->SetInvokingWindow( this );
+    }
+}
+
 void wxFrame::DoGetClientSize(int *x, int *y) const
 {
 	wxWindow::DoGetClientSize( x , y ) ;
diff --git a/src/mac/carbon/menu.cpp b/src/mac/carbon/menu.cpp
index 0ded39739c..0e62af9b77 100644
--- a/src/mac/carbon/menu.cpp
+++ b/src/mac/carbon/menu.cpp
@@ -864,6 +864,56 @@ bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
     return TRUE;
 }
 
+static void wxMenubarUnsetInvokingWindow( wxMenu *menu )
+{
+    menu->SetInvokingWindow( (wxWindow*) NULL );
+
+    wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
+    while (node)
+    {
+        wxMenuItem *menuitem = node->GetData();
+        if (menuitem->IsSubMenu())
+            wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu() );
+        node = node->GetNext();
+    }
+}
+
+static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
+{
+    menu->SetInvokingWindow( win );
+
+    wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
+    while (node)
+    {
+        wxMenuItem *menuitem = node->GetData();
+        if (menuitem->IsSubMenu())
+            wxMenubarSetInvokingWindow( menuitem->GetSubMenu() , win );
+        node = node->GetNext();
+    }
+}
+
+void wxMenuBar::UnsetInvokingWindow()
+{
+    wxMenuList::Node *node = m_menus.GetFirst();
+    while (node)
+    {
+        wxMenu *menu = node->GetData();
+        wxMenubarUnsetInvokingWindow( menu );
+        node = node->GetNext();
+    }
+}
+
+void wxMenuBar::SetInvokingWindow(wxFrame *frame)
+{
+    wxMenuList::Node *node = m_menus.GetFirst();
+    while (node)
+    {
+        wxMenu *menu = node->GetData();
+        wxMenubarSetInvokingWindow( menu, frame );
+        node = node->GetNext();
+    }
+}
+
 void wxMenuBar::Detach()
 {
     wxMenuBarBase::Detach() ;
@@ -872,7 +922,6 @@ void wxMenuBar::Detach()
 void wxMenuBar::Attach(wxFrame *frame)
 {
     wxMenuBarBase::Attach( frame ) ;
-
 #if wxUSE_ACCEL
     RebuildAccelTable();
 #endif // wxUSE_ACCEL
diff --git a/src/mac/frame.cpp b/src/mac/frame.cpp
index 09544ddd4d..7f1860a837 100644
--- a/src/mac/frame.cpp
+++ b/src/mac/frame.cpp
@@ -240,6 +240,26 @@ void wxFrame::OnActivate(wxActivateEvent& event)
 	}
 }
 
+void wxFrame::DetachMenuBar()
+{
+    if ( m_frameMenuBar )
+    {
+        m_frameMenuBar->UnsetInvokingWindow();
+    }
+
+    wxFrameBase::DetachMenuBar();
+}
+
+void wxFrame::AttachMenuBar( wxMenuBar *menuBar )
+{
+    wxFrameBase::AttachMenuBar(menuBar);
+
+    if (m_frameMenuBar)
+    {
+        m_frameMenuBar->SetInvokingWindow( this );
+    }
+}
+
 void wxFrame::DoGetClientSize(int *x, int *y) const
 {
 	wxWindow::DoGetClientSize( x , y ) ;
diff --git a/src/mac/menu.cpp b/src/mac/menu.cpp
index 0ded39739c..0e62af9b77 100644
--- a/src/mac/menu.cpp
+++ b/src/mac/menu.cpp
@@ -864,6 +864,56 @@ bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
     return TRUE;
 }
 
+static void wxMenubarUnsetInvokingWindow( wxMenu *menu )
+{
+    menu->SetInvokingWindow( (wxWindow*) NULL );
+
+    wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
+    while (node)
+    {
+        wxMenuItem *menuitem = node->GetData();
+        if (menuitem->IsSubMenu())
+            wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu() );
+        node = node->GetNext();
+    }
+}
+
+static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
+{
+    menu->SetInvokingWindow( win );
+
+    wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
+    while (node)
+    {
+        wxMenuItem *menuitem = node->GetData();
+        if (menuitem->IsSubMenu())
+            wxMenubarSetInvokingWindow( menuitem->GetSubMenu() , win );
+        node = node->GetNext();
+    }
+}
+
+void wxMenuBar::UnsetInvokingWindow()
+{
+    wxMenuList::Node *node = m_menus.GetFirst();
+    while (node)
+    {
+        wxMenu *menu = node->GetData();
+        wxMenubarUnsetInvokingWindow( menu );
+        node = node->GetNext();
+    }
+}
+
+void wxMenuBar::SetInvokingWindow(wxFrame *frame)
+{
+    wxMenuList::Node *node = m_menus.GetFirst();
+    while (node)
+    {
+        wxMenu *menu = node->GetData();
+        wxMenubarSetInvokingWindow( menu, frame );
+        node = node->GetNext();
+    }
+}
+
 void wxMenuBar::Detach()
 {
     wxMenuBarBase::Detach() ;
@@ -872,7 +922,6 @@ void wxMenuBar::Detach()
 void wxMenuBar::Attach(wxFrame *frame)
 {
     wxMenuBarBase::Attach( frame ) ;
-
 #if wxUSE_ACCEL
     RebuildAccelTable();
 #endif // wxUSE_ACCEL