added a menu allowing to change the border style used by the widget

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38772 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/widgets/button.cpp

@@ -83,6 +83,7 @@ public:
     virtual ~ButtonWidgetsPage(){};
 
     virtual wxControl *GetWidget() const { return m_button; }
+    virtual void RecreateWidget() { CreateButton(); }
 
 protected:
     // event handlers
@@ -311,7 +312,7 @@ void ButtonWidgetsPage::CreateButton()
         label = m_textLabel->GetValue();
     }
 
-    int flags = 0;
+    int flags = ms_defaultFlags;
     switch ( m_radioHAlign->GetSelection() )
     {
         case ButtonHAlign_Left: