+    nCx = GetCharWidth();
+    nCy = GetCharHeight();
+    GetTextExtent( wxGetWindowText(m_hWnd)
+                  ,&wBox
+                  ,NULL
+                 );
+    wBox += 3 * nCx;
+
+    int                             hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nCy);
+
+    return wxSize( wBox
+                  ,hBox
+                 );
+} // end of wxStaticBox::DoGetBestSize
+
+MRESULT wxStaticBox::OS2WindowProc( WXUINT    nMsg,
+                                    WXWPARAM  wParam,
+                                    WXLPARAM  lParam )
+{
+    return wxControl::OS2WindowProc(nMsg, wParam, lParam);
+} // end of wxStaticBox::OS2WindowProc