added native Mac implementation of wxAboutBox(); also moved aboutdlg.* files from...

[wxWidgets.git] / include / wx / prntbase.h

diff --git a/include/wx/prntbase.h b/include/wx/prntbase.h
index 3e39b0ea38b8ac29eea2b89dddfdb47dc53d0bfb..73a5d466757acec105d3a3463d27657b76b431e4 100644 (file)
--- a/include/wx/prntbase.h
+++ b/include/wx/prntbase.h
@@ -306,7 +306,7 @@ public:
                     const wxSize& size = wxDefaultSize,
                     long style = 0,
                     const wxString& name = wxT("canvas"));
-    ~wxPreviewCanvas();
+    virtual ~wxPreviewCanvas();
 
     void OnPaint(wxPaintEvent& event);
     void OnChar(wxKeyEvent &event);
@@ -340,7 +340,7 @@ public:
                    const wxSize& size = wxDefaultSize,
                    long style = wxDEFAULT_FRAME_STYLE,
                    const wxString& name = wxT("frame"));
-    ~wxPreviewFrame();
+    virtual ~wxPreviewFrame();
 
     void OnCloseWindow(wxCloseEvent& event);
     virtual void Initialize();
@@ -401,7 +401,7 @@ public:
                         const wxSize& size = wxDefaultSize,
                         long style = wxTAB_TRAVERSAL,
                         const wxString& name = wxT("panel"));
-    ~wxPreviewControlBar();
+    virtual ~wxPreviewControlBar();
 
     virtual void CreateButtons();
     virtual void SetZoomControl(int zoom);