don't do anything in SetWindowMenu() if we're setting the same menu as we already have

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58457 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2009-01-27 14:48:20 +00:00
parent f4f6ad7547
commit 74c34d2277
1 changed files with 5 additions and 2 deletions
--- 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