#include "wx/settings.h"
     #include "wx/brush.h"
     #include "wx/combobox.h"
-    #include "wx/listbox"
+    #include "wx/listbox.h"
     #include "wx/stattext.h"
     #include "wx/textctrl.h"
 #endif //WX_PRECOMP
     }
 
     SetSelection(m_cal->GetDate().GetMonth());
-    SetSize(wxDefaultPosition.x,
-            wxDefaultPosition.y,
-            wxDefaultSize.x,
-            wxDefaultSize.y,
+    SetSize(wxDefaultCoord,
+            wxDefaultCoord,
+            wxDefaultCoord,
+            wxDefaultCoord,
             wxSIZE_AUTO_WIDTH|wxSIZE_AUTO_HEIGHT);
 }
 
     // above it
     SetBestSize(size);
     SetPosition(pos);
-        
+
+    // Since we don't paint the whole background make sure that the platform
+    // will use the right one.
+    SetBackgroundColour(GetBackgroundColour());
+    
     SetHolidayAttrs();
 
     return true;