diff --git a/samples/mdi/mdi.cpp b/samples/mdi/mdi.cpp
index 161b1d84c3..24f0741ccb 100644
--- a/samples/mdi/mdi.cpp
+++ b/samples/mdi/mdi.cpp
@@ -72,7 +72,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
     EVT_MENU(MDI_QUIT, MyFrame::OnQuit)
 
     EVT_CLOSE(MyFrame::OnClose)
-
+    EVT_ICONIZE(MyFrame::OnIconize)
     EVT_SIZE(MyFrame::OnSize)
 END_EVENT_TABLE()
 
@@ -301,6 +301,12 @@ void MyFrame::OnSize(wxSizeEvent&
 #endif
 }
 
+void MyFrame::OnIconize(wxIconizeEvent& event)
+{
+    wxSizeEvent e;
+    OnSize (e) ;
+}
+
 #if wxUSE_TOOLBAR
 void MyFrame::InitToolBar(wxToolBar* toolBar)
 {
diff --git a/samples/mdi/mdi.h b/samples/mdi/mdi.h
index d0d6c422e1..62e3551f24 100644
--- a/samples/mdi/mdi.h
+++ b/samples/mdi/mdi.h
@@ -46,6 +46,7 @@ public:
     void InitToolBar(wxToolBar* toolBar);
 
     void OnSize(wxSizeEvent& event);
+    void OnIconize(wxIconizeEvent& event);
     void OnAbout(wxCommandEvent& event);
     void OnNewWindow(wxCommandEvent& event);
     void OnQuit(wxCommandEvent& event);