+    if (nOrient == wxHORIZONTAL)
+        return((int)::WinSendMsg(m_hWndScrollBarHorz, SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL));
+    else
+        return((int)::WinSendMsg(m_hWndScrollBarVert, SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL));
+} // end of wxWindowOS2::GetScrollPos
+
+int wxWindowOS2::GetScrollRange(
+  int                               nOrient
+) const
+{
+    MRESULT                         mr;
+
+    if (nOrient == wxHORIZONTAL)
+        mr = ::WinSendMsg(m_hWndScrollBarHorz, SBM_QUERYRANGE, (MPARAM)NULL, (MPARAM)NULL);
+    else
+        mr = ::WinSendMsg(m_hWndScrollBarVert, SBM_QUERYRANGE, (MPARAM)NULL, (MPARAM)NULL);
+    return((int)SHORT2FROMMR(mr));
+} // end of wxWindowOS2::GetScrollRange
+
+int wxWindowOS2::GetScrollThumb(
+  int                               nOrient
+) const
+{
+    if (nOrient == wxHORIZONTAL )
+        return m_nXThumbSize;
+    else
+        return m_nYThumbSize;
+} // end of wxWindowOS2::GetScrollThumb
+
+void wxWindowOS2::SetScrollPos(
+  int                               nOrient
+, int                               nPos
+, bool                              WXUNUSED(bRefresh)
+)
+{
+    if (nOrient == wxHORIZONTAL )
+        ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
+    else
+        ::WinSendMsg(m_hWndScrollBarVert, SBM_SETPOS, (MPARAM)nPos, (MPARAM)NULL);
+} // end of wxWindowOS2::SetScrollPos
+
+void wxWindowOS2::SetScrollbar(
+  int                               nOrient
+, int                               nPos
+, int                               nThumbVisible
+, int                               nRange
+, bool                              WXUNUSED(bRefresh)
+)
+{
+    int                             nOldRange = nRange - nThumbVisible;
+    int                             nRange1 = nOldRange;
+    int                             nPageSize = nThumbVisible;
+    SBCDATA                         vInfo;
+    HWND                            hWnd = GetHwnd();
+    ULONG                           ulStyle = WS_VISIBLE | WS_SYNCPAINT;
+    RECTL                           vRect;
+
+    ::WinQueryWindowRect(hWnd, &vRect);
+    if (nPageSize > 1 && nRange > 0)
+    {
+        nRange1 += (nPageSize - 1);
+    }
+
+    vInfo.cb = sizeof(SBCDATA);
+    vInfo.posFirst = 0;
+    vInfo.posLast = (SHORT)nRange1;
+    vInfo.posThumb = nPos;
+
+    if (nOrient == wxHORIZONTAL )
+    {
+        ulStyle |= SBS_HORZ;
+        if (m_hWndScrollBarHorz == 0L)
+        {
+            //
+            // We create the scrollbars with the desktop so that they are not
+            // registered as child windows of the window in order that child
+            // windows may be scrolled without scrolling the scrollbars themselves!
+            //
+            m_hWndScrollBarHorz = ::WinCreateWindow( hWnd
+                                                    ,WC_SCROLLBAR
+                                                    ,(PSZ)NULL
+                                                    ,ulStyle
+                                                    ,vRect.xLeft
+                                                    ,vRect.yBottom
+                                                    ,vRect.xRight - vRect.xLeft
+                                                    ,20
+                                                    ,hWnd
+                                                    ,HWND_TOP
+                                                    ,FID_HORZSCROLL
+                                                    ,&vInfo
+                                                    ,NULL
+                                                   );
+        }
+        else
+        {
+            RECTL                   vRect2;
+
+            //
+            // Only want to resize the scrollbar if it changes, otherwise
+            // we'd probably end up in a recursive loop until we crash the call stack
+            // because this method is called in a ScrolledWindow OnSize event and SWP_MOVE | SWP_SIZE
+            // generates those events.
+            //
+            ::WinQueryWindowRect(m_hWndScrollBarHorz, &vRect2);
+            if (!(vRect2.xLeft == vRect.xLeft     &&
+                  vRect2.xRight == vRect.xRight   &&
+                  vRect2.yBottom == vRect.yBottom &&
+                  vRect2.yTop == vRect.yTop
+                ) )
+            {
+                ::WinSetWindowPos( m_hWndScrollBarHorz
+                                  ,HWND_TOP
+                                  ,vRect.xLeft
+                                  ,vRect.yBottom
+                                  ,vRect.xRight - vRect.xLeft
+                                  ,20
+                                  ,SWP_ACTIVATE | SWP_MOVE | SWP_SIZE | SWP_SHOW
+                                 );
+            }
+            ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETSCROLLBAR, (MPARAM)nPos, MPFROM2SHORT(0, (SHORT)nRange1));
+            ::WinSendMsg(m_hWndScrollBarHorz, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+        }
+    }
+    else
+    {
+        ulStyle |= SBS_VERT;
+        if (m_hWndScrollBarVert == 0L)
+        {
+            m_hWndScrollBarVert = ::WinCreateWindow( hWnd
+                                                    ,WC_SCROLLBAR
+                                                    ,(PSZ)NULL
+                                                    ,ulStyle
+                                                    ,vRect.xRight - 20
+                                                    ,vRect.yBottom + 20
+                                                    ,20
+                                                    ,vRect.yTop - (vRect.yBottom + 20)
+                                                    ,hWnd
+                                                    ,HWND_TOP
+                                                    ,FID_VERTSCROLL
+                                                    ,&vInfo
+                                                    ,NULL
+                                                   );
+        }
+        else
+        {
+            RECTL                   vRect2;
+
+            //
+            // Only want to resize the scrollbar if it changes, otherwise
+            // we'd probably end up in a recursive loop until we crash the call stack
+            // because this method is called in a ScrolledWindow OnSize event and SWP_MOVE | SWP_SIZE
+            // generates those events.
+            //
+            ::WinQueryWindowRect(m_hWndScrollBarVert, &vRect2);
+            if (!(vRect2.xLeft == vRect.xLeft     &&
+                  vRect2.xRight == vRect.xRight   &&
+                  vRect2.yBottom == vRect.yBottom &&
+                  vRect2.yTop == vRect.yTop
+                ) )
+            {
+                ::WinSetWindowPos( m_hWndScrollBarVert
+                                  ,HWND_TOP
+                                  ,vRect.xRight - 20
+                                  ,vRect.yBottom + 20
+                                  ,20
+                                  ,vRect.yTop - (vRect.yBottom + 20)
+                                  ,SWP_ACTIVATE | SWP_MOVE | SWP_SIZE | SWP_SHOW
+                                 );
+            }
+            ::WinSendMsg(m_hWndScrollBarVert, SBM_SETSCROLLBAR, (MPARAM)nPos, MPFROM2SHORT(0, (SHORT)nRange1));
+            ::WinSendMsg(m_hWndScrollBarVert, SBM_SETTHUMBSIZE, MPFROM2SHORT((SHORT)nThumbVisible, (SHORT)nRange1), (MPARAM)0);
+        }
+        m_nYThumbSize = nThumbVisible;
+    }
+} // end of wxWindowOS2::SetScrollbar
+
+void wxWindowOS2::ScrollWindow(
+  int                               nDx
+, int                               nDy
+, const wxRect*                     pRect
+)
+{
+    RECTL                           vRect;
+    RECTL                           vRect2;
+
+    nDy *= -1; // flip the sign of Dy as OS/2 is opposite wxWin.
+    if (pRect)
+    {
+        vRect2.xLeft   = pRect->x;
+        vRect2.yTop    = pRect->y + pRect->height;
+        vRect2.xRight  = pRect->x + pRect->width;
+        vRect2.yBottom = pRect->y;
+    }
+    else
+    {
+        ::WinQueryWindowRect(GetHwnd(), &vRect2);
+        ::WinQueryWindowRect(m_hWndScrollBarHorz, &vRect);
+        vRect2.yBottom += vRect.yTop - vRect.yBottom;
+        ::WinQueryWindowRect(m_hWndScrollBarVert, &vRect);
+        vRect2.xRight -= vRect.xRight - vRect.xLeft;
+
+    }
+    if (pRect)
+        ::WinScrollWindow( GetHwnd()
+                          ,(LONG)nDx
+                          ,(LONG)nDy
+                          ,&vRect2
+                          ,NULL
+                          ,NULLHANDLE
+                          ,NULL
+                          ,SW_INVALIDATERGN
+                         );
+    else
+        ::WinScrollWindow( GetHwnd()
+                          ,nDx
+                          ,nDy
+                          ,NULL
+                          ,NULL
+                          ,NULLHANDLE
+                          ,NULL
+                          ,SW_INVALIDATERGN
+                         );
+
+    //
+    // Move the children
+    wxWindowList::Node*             pCurrent = GetChildren().GetFirst();
+    SWP                             vSwp;
+
+    while (pCurrent)
+    {
+        wxWindow*                   pChildWin = pCurrent->GetData();
+
+        if (pChildWin->GetHWND() != NULLHANDLE)
+        {
+            ::WinQueryWindowPos(pChildWin->GetHWND(), &vSwp);
+            ::WinQueryWindowRect(pChildWin->GetHWND(), &vRect);
+            if (pChildWin->GetHWND() == m_hWndScrollBarVert ||
+                pChildWin->GetHWND() == m_hWndScrollBarHorz)
+            {
+                ::WinSetWindowPos( pChildWin->GetHWND()
+                                  ,HWND_TOP
+                                  ,vSwp.x + nDx
+                                  ,vSwp.y + nDy
+                                  ,0
+                                  ,0
+                                  ,SWP_MOVE | SWP_SHOW | SWP_ZORDER
+                                 );
+            }
+            else
+            {
+                ::WinSetWindowPos( pChildWin->GetHWND()
+                                  ,HWND_BOTTOM
+                                  ,vSwp.x + nDx
+                                  ,vSwp.y + nDy
+                                  ,0
+                                  ,0
+                                  ,SWP_MOVE | SWP_ZORDER
+                                 );
+                ::WinInvalidateRect(pChildWin->GetHWND(), &vRect, FALSE);
+            }
+        }
+        pCurrent = pCurrent->GetNext();
+    }
+} // end of wxWindowOS2::ScrollWindow
+
+// ---------------------------------------------------------------------------
+// subclassing
+// ---------------------------------------------------------------------------
+
+void wxWindowOS2::SubclassWin(
+  WXHWND                            hWnd
+)
+{
+    HWND                            hwnd = (HWND)hWnd;
+
+    wxASSERT_MSG( !m_fnOldWndProc, wxT("subclassing window twice?") );
+    wxCHECK_RET(::WinIsWindow(vHabmain, hwnd), wxT("invalid HWND in SubclassWin") );
+    m_fnOldWndProc = (WXFARPROC) ::WinSubclassWindow(hwnd, (PFNWP)wxWndProc);
+} // end of wxWindowOS2::SubclassWin
+
+void wxWindowOS2::UnsubclassWin()
+{
+    //
+    // Restore old Window proc
+    //
+    HWND                            hwnd = GetHWND();
+
+    if (m_hWnd)
+    {
+        wxCHECK_RET( ::WinIsWindow(vHabmain, hwnd), wxT("invalid HWND in UnsubclassWin") );
+
+        PFNWP                       fnProc = (PFNWP)::WinQueryWindowPtr(hwnd, QWP_PFNWP);
+
+        if ( (m_fnOldWndProc != 0) && (fnProc != (PFNWP) m_fnOldWndProc))
+        {
+            WinSubclassWindow(hwnd, (PFNWP)m_fnOldWndProc);
+            m_fnOldWndProc = 0;
+        }
+    }
+} // end of wxWindowOS2::UnsubclassWin
+
+//
+// Make a Windows extended style from the given wxWindows window style
+//
+WXDWORD wxWindowOS2::MakeExtendedStyle(
+  long                              lStyle
+, bool                              bEliminateBorders
+)
+{
+   //
+   // Simply fill out with wxWindow extended styles.  We'll conjure
+   // something up in OS2Create and all window redrawing pieces later
+   //
+    WXDWORD                         dwStyle = 0;
+
+    if (lStyle & wxTRANSPARENT_WINDOW )
+        dwStyle |= wxTRANSPARENT_WINDOW;
+
+    if (!bEliminateBorders)
+    {
+        if (lStyle & wxSUNKEN_BORDER)
+            dwStyle |= wxSUNKEN_BORDER;
+        if (lStyle & wxDOUBLE_BORDER)
+            dwStyle |= wxDOUBLE_BORDER;
+        if (lStyle & wxRAISED_BORDER )
+            dwStyle |= wxRAISED_BORDER;
+        if (lStyle & wxSTATIC_BORDER)
+            dwStyle |= wxSTATIC_BORDER;
+    }
+    return dwStyle;
+} // end of wxWindowOS2::MakeExtendedStyle
+
+//
+// Determines whether simulated 3D effects or CTL3D should be used,
+// applying a default border style if required, and returning an extended
+// style to pass to OS2Create.
+//
+WXDWORD wxWindowOS2::Determine3DEffects(
+  WXDWORD                           dwDefaultBorderStyle
+, bool*                             pbWant3D
+) const
+{
+    WXDWORD                         dwStyle = 0L;
+
+    //
+    // Native PM does not have any specialize 3D effects like WIN32 does,
+    // so we have to try and invent them.
+    //
+
+    //
+    // If matches certain criteria, then assume no 3D effects
+    // unless specifically requested (dealt with in MakeExtendedStyle)
+    //
+    if (!GetParent()                    ||
+        !IsKindOf(CLASSINFO(wxControl)) ||
+        (m_windowStyle & wxNO_BORDER)
+       )
+    {
+        *pbWant3D = FALSE;
+        return MakeExtendedStyle(m_windowStyle, FALSE);
+    }
+
+    //
+    // 1) App can specify global 3D effects
+    //
+    *pbWant3D = wxTheApp->GetAuto3D();
+
+    //
+    // 2) If the parent is being drawn with user colours, or simple border
+    //    specified, switch effects off.
+    //
+    if (GetParent() &&
+        (GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS) ||
+        (m_windowStyle & wxSIMPLE_BORDER)
+       )
+        *pbWant3D = FALSE;
+
+    //
+    // 3) Control can override this global setting by defining
+    //    a border style, e.g. wxSUNKEN_BORDER
+    //
+    if ((m_windowStyle & wxDOUBLE_BORDER) ||
+        (m_windowStyle & wxRAISED_BORDER) ||
+        (m_windowStyle & wxSTATIC_BORDER) ||
+        (m_windowStyle & wxSUNKEN_BORDER)
+       )
+        *pbWant3D = TRUE;
+
+    dwStyle = MakeExtendedStyle( m_windowStyle
+                                ,FALSE
+                               );
+
+    //
+    // If we want 3D, but haven't specified a border here,
+    // apply the default border style specified.
+    //
+    if (dwDefaultBorderStyle && (*pbWant3D) &&
+        !((m_windowStyle & wxDOUBLE_BORDER) ||
+          (m_windowStyle & wxRAISED_BORDER) ||
+          (m_windowStyle & wxSTATIC_BORDER) ||
+          (m_windowStyle & wxSIMPLE_BORDER)
+         )
+        )
+        dwStyle |= dwDefaultBorderStyle;
+    return dwStyle;
+} // end of wxWindowOS2::Determine3DEffects
+
+#if WXWIN_COMPATIBILITY
+void wxWindowOS2::OnCommand(
+  wxWindow&                         rWin
+, wxCommandEvent&                   rEvent
+)
+{
+    if (GetEventHandler()->ProcessEvent(rEvent))
+        return;
+    if (m_parent)
+        m_parent->GetEventHandler()->OnCommand( rWin
+                                               ,rEvent
+                                              );
+} // end of wxWindowOS2::OnCommand
+
+wxObject* wxWindowOS2::GetChild(
+  int                               nNumber
+) const
+{
+    //
+    // Return a pointer to the Nth object in the Panel
+    //
+    wxNode*                         pNode = GetChildren().First();
+    int                             n = nNumber;
+
+    while (pNode && n--)
+        pNode = pNode->Next();
+    if (pNode)
+    {
+        wxObject*                   pObj = (wxObject*)pNode->Data();
+        return(pObj);
+    }
+    else
+        return NULL;
+} // end of wxWindowOS2::GetChild
+
+#endif // WXWIN_COMPATIBILITY
+
+//
+// Setup background and foreground colours correctly
+//
+void wxWindowOS2::SetupColours()
+{
+    if ( GetParent() )
+        SetBackgroundColour(GetParent()->GetBackgroundColour());
+} // end of wxWindowOS2::SetupColours
+
+void wxWindowOS2::OnIdle(
+  wxIdleEvent&                      WXUNUSED(rEvent)
+)
+{
+    //
+    // Check if we need to send a LEAVE event
+    //
+    if (m_bMouseInWindow)
+    {
+        POINTL                      vPoint;
+
+        ::WinQueryPointerPos(HWND_DESKTOP, &vPoint);
+        if (::WinWindowFromPoint(HWND_DESKTOP, &vPoint, FALSE) != (HWND)GetHwnd())
+        {
+            //
+            // Generate a LEAVE event
+            //
+            m_bMouseInWindow = FALSE;
+
+            //
+            // Unfortunately the mouse button and keyboard state may have changed
+            // by the time the OnIdle function is called, so 'state' may be
+            // meaningless.
+            //
+            int                     nState = 0;
+
+            if (::WinGetKeyState(HWND_DESKTOP, VK_SHIFT) != 0)
+                nState |= VK_SHIFT;
+            if (::WinGetKeyState(HWND_DESKTOP, VK_CTRL) != 0);
+                nState |= VK_CTRL;
+
+            wxMouseEvent            rEvent(wxEVT_LEAVE_WINDOW);
+
+            InitMouseEvent( rEvent
+                           ,vPoint.x
+                           ,vPoint.y
+                           ,nState
+                          );
+            (void)GetEventHandler()->ProcessEvent(rEvent);
+        }
+    }
+    UpdateWindowUI();
+} // end of wxWindowOS2::OnIdle
+
+//
+// Set this window to be the child of 'parent'.
+//
+bool wxWindowOS2::Reparent(
+  wxWindow*                         pParent
+)
+{
+    if (!wxWindowBase::Reparent(pParent))
+        return FALSE;
+
+    HWND                            hWndChild = GetHwnd();
+    HWND                            hWndParent = GetParent() ? GetWinHwnd(GetParent()) : (HWND)0;
+
+    ::WinSetParent(hWndChild, hWndParent, TRUE);
+    return TRUE;
+} // end of wxWindowOS2::Reparent
+
+void wxWindowOS2::Clear()
+{
+    wxClientDC                      vDc((wxWindow*)this);
+    wxBrush                         vBrush( GetBackgroundColour()
+                                           ,wxSOLID
+                                          );
+
+    vDc.SetBackground(vBrush);
+    vDc.Clear();
+} // end of wxWindowOS2::Clear
+
+void wxWindowOS2::Refresh(
+  bool                              bEraseBack
+, const wxRect*                     pRect
+)
+{
+    HWND                            hWnd = GetHwnd();
+
+    if (hWnd)
+    {
+        if (pRect)
+        {
+            RECTL                   vOs2Rect;
+
+            vOs2Rect.xLeft   = pRect->x;
+            vOs2Rect.yTop    = pRect->y;
+            vOs2Rect.xRight  = pRect->x + pRect->width;
+            vOs2Rect.yBottom = pRect->y + pRect->height;
+
+            ::WinInvalidateRect(hWnd, &vOs2Rect, bEraseBack);
+        }
+        else
+            ::WinInvalidateRect(hWnd, NULL, bEraseBack);
+    }
+} // end of wxWindowOS2::Refresh