corrections for buffers

[wxWidgets.git] / src / msw / mdi.cpp

diff --git a/src/msw/mdi.cpp b/src/msw/mdi.cpp
index 5d2e46955cb02cd31d59987a4dca7a0999caf280..edb246d7500aaf3e647d0d2f0362cd17d9a84fdb 100644 (file)
--- a/src/msw/mdi.cpp
+++ b/src/msw/mdi.cpp
@@ -233,12 +233,12 @@ bool wxMDIParentFrame::Create(wxWindow *parent,
 
 wxMDIParentFrame::~wxMDIParentFrame()
 {
-    DestroyChildren();
-
-    // already delete by DestroyChildren()
+    // see comment in ~wxMDIChildFrame
     m_frameToolBar = NULL;
     m_frameStatusBar = NULL;
 
+    DestroyChildren();
+
     if (m_windowMenu)
     {
         delete m_windowMenu;
@@ -696,7 +696,7 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
   else
       mcs.cy = CW_USEDEFAULT;
 
-  DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN | WS_THICKFRAME | WS_VISIBLE ;
+  DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN | WS_VISIBLE ;
   if (style & wxMINIMIZE_BOX)
     msflags |= WS_MINIMIZEBOX;
   if (style & wxMAXIMIZE_BOX)
@@ -730,12 +730,13 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 
 wxMDIChildFrame::~wxMDIChildFrame()
 {
-    DestroyChildren();
-
-    // already deleted by DestroyChildren()
+    // will be destroyed by DestroyChildren() but reset them before calling it
+    // to avoid using dangling pointers if a callback comes in the meanwhile
     m_frameToolBar = NULL;
     m_frameStatusBar = NULL;
 
+    DestroyChildren();
+
     RemoveWindowMenu(NULL, m_hMenu);
 
     MSWDestroyWindow();