diff --git a/interface/wx/dcbuffer.h b/interface/wx/dcbuffer.h
index b4ef7813bd..6b9ccb868e 100644
--- a/interface/wx/dcbuffer.h
+++ b/interface/wx/dcbuffer.h
@@ -118,6 +118,27 @@ public:
     void Init(wxDC* dc, wxBitmap& buffer = wxNullBitmap,
               int style = wxBUFFER_CLIENT_AREA);
     //@}
+
+
+    /**
+       Blits the buffer to the dc, and detaches the dc from the buffer (so it
+       can be effectively used once only).
+    
+       Usually only called in the destructor or by the destructor of derived
+       classes if the BufferedDC must blit before the derived class (which may
+       own the dc it's blitting to) is destroyed.
+    */
+    void UnMask();
+
+    /**
+       Set the style.
+    */
+    void SetStyle(int style);
+
+    /**
+       Get the style.
+    */
+    int GetStyle() const;
 };
 
 
diff --git a/interface/wx/dialog.h b/interface/wx/dialog.h
index 736b97488d..bb473f43ba 100644
--- a/interface/wx/dialog.h
+++ b/interface/wx/dialog.h
@@ -16,8 +16,16 @@ enum wxDialogLayoutAdaptationMode
     wxDIALOG_ADAPTATION_MODE_DISABLED = 2   ///< Disable this dialog overriding global status.
 };
 
+#define wxDIALOG_NO_PARENT      0x00000020  ///< Don't make owned by apps top window
+
 #define wxDEFAULT_DIALOG_STYLE  (wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX)
 
+
+#define wxDIALOG_ADAPTATION_NONE             0  ///< Don't do any layout adaptation
+#define wxDIALOG_ADAPTATION_STANDARD_SIZER   1  ///< Only look for wxStdDialogButtonSizer for non-scrolling part
+#define wxDIALOG_ADAPTATION_ANY_SIZER        2  ///< Also look for any suitable sizer for non-scrolling part
+#define wxDIALOG_ADAPTATION_LOOSE_BUTTONS    3  ///< Also look for 'loose' standard buttons for non-scrolling part
+
 /**
     @class wxDialog
 
diff --git a/interface/wx/sashwin.h b/interface/wx/sashwin.h
index 3d5c1fd136..79a4bd1ebd 100644
--- a/interface/wx/sashwin.h
+++ b/interface/wx/sashwin.h
@@ -174,6 +174,42 @@ public:
         @see GetSashVisible()
     */
     void SetSashVisible(wxSashEdgePosition edge, bool visible);
+
+
+    /**
+       Get border size
+    */
+    int GetEdgeMargin(wxSashEdgePosition edge) const;
+
+    /**
+       Sets the default sash border size
+    */
+    void SetDefaultBorderSize(int width);
+
+    /**
+       Gets the default sash border size
+    */
+    int GetDefaultBorderSize() const;
+
+    /**
+       Sets the additional border size between child and sash window
+    */
+    void SetExtraBorderSize(int width);
+
+    /**
+       Gets the addition border size between child and sash window
+    */
+    int GetExtraBorderSize() const;
+
+    /**
+       Tests for x, y over sash
+    */
+    wxSashEdgePosition SashHitTest(int x, int y, int tolerance = 2);
+
+    /**
+       Resizes subwindows
+    */
+    void SizeWindows();
 };