X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/975dd469bab7c0ca1d0b6c5c25e0396b27f2fb54..89b799cccff2a3cfa5d51dac5c6e9153d2fe2e82:/include/wx/mdi.h

diff --git a/include/wx/mdi.h b/include/wx/mdi.h
index 2a7bbc2cfa..37f0fa5208 100644
--- a/include/wx/mdi.h
+++ b/include/wx/mdi.h
@@ -88,8 +88,11 @@ public:
     // menu can be NULL to disable the window menu completely
     virtual void SetWindowMenu(wxMenu *menu)
     {
-        delete m_windowMenu;
-        m_windowMenu = menu;
+        if ( menu != m_windowMenu )
+        {
+            delete m_windowMenu;
+            m_windowMenu = menu;
+        }
     }
 #endif // wxUSE_MENUS