made wxStaticBox transparent (patch 427936)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12014 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/statbox.cpp

@@ -64,7 +64,19 @@ bool wxStaticBox::Create(wxWindow *parent,
     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
         return FALSE;
 
-    if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label, 0) )
+    // as wxStaticBox doesn't draw its own background, we make it transparent
+    // to force redrawing its background which could have been overwritten by
+    // the other controls inside it
+    //
+    // FIXME: I still think that it isn't the right solution because the static
+    //        boxes shouldn't have to be transparent if the redrawing was done
+    //        right elsewhere - who ever had to make them transparent in non
+    //        wxWindows programs, after all? But for now it does fix a serious
+    //        problem (try resizing the sizers test screen in the layout sample
+    //        after removing WS_EX_TRANSPARENT bit) and so let's use it until
+    //        we fix the real underlying problem
+    if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label,
+                           WS_EX_TRANSPARENT) )
         return FALSE;
 
     return TRUE;