diff --git a/src/msw/renderer.cpp b/src/msw/renderer.cpp
index 7935e05dcc..d94f0c582f 100644
--- a/src/msw/renderer.cpp
+++ b/src/msw/renderer.cpp
@@ -99,6 +99,16 @@ public:
                                          wxDC& dc,
                                          const wxRect& rect,
                                          int flags = 0) wxOVERRIDE = 0;
+
+protected:
+    // Helper function returning the MSW RECT corresponding to the wxRect
+    // adjusted for the given wxDC.
+    static RECT ConvertToRECT(wxDC& dc, const wxRect& rect)
+    {
+        RECT rc;
+        wxCopyRectToRECT(dc.GetImpl()->MSWApplyGDIPlusTransform(rect), rc);
+        return rc;
+    }
 };
 
 // ----------------------------------------------------------------------------
@@ -312,8 +322,7 @@ void wxRendererMSWBase::DrawFocusRect(wxWindow * WXUNUSED(win),
                                       const wxRect& rect,
                                       int WXUNUSED(flags))
 {
-    RECT rc;
-    wxCopyRectToRECT(rect, rc);
+    RECT rc = ConvertToRECT(dc, rect);
 
     ::DrawFocusRect(GetHdcOf(dc.GetTempHDC()), &rc);
 }
@@ -411,10 +420,7 @@ wxRendererMSW::DrawComboBoxDropButton(wxWindow * WXUNUSED(win),
 {
     wxCHECK_RET( dc.GetImpl(), wxT("Invalid wxDC") );
 
-    wxRect adjustedRect = dc.GetImpl()->MSWApplyGDIPlusTransform(rect);
-    
-    RECT r;
-    wxCopyRectToRECT(adjustedRect, r);
+    RECT r = ConvertToRECT(dc, rect);
 
     int style = DFCS_SCROLLCOMBOBOX;
     if ( flags & wxCONTROL_DISABLED )
@@ -435,10 +441,7 @@ wxRendererMSW::DoDrawFrameControl(UINT type,
 {
     wxCHECK_RET( dc.GetImpl(), wxT("Invalid wxDC") );
 
-    wxRect adjustedRect = dc.GetImpl()->MSWApplyGDIPlusTransform(rect);
-
-    RECT r;
-    wxCopyRectToRECT(adjustedRect, r);
+    RECT r = ConvertToRECT(dc, rect);
 
     int style = kind;
     if ( flags & wxCONTROL_CHECKED )
@@ -613,10 +616,7 @@ wxRendererXP::DrawComboBoxDropButton(wxWindow * win,
 
     wxCHECK_RET( dc.GetImpl(), wxT("Invalid wxDC") );
 
-    wxRect adjustedRect = dc.GetImpl()->MSWApplyGDIPlusTransform(rect);
-
-    RECT r;
-    wxCopyRectToRECT(adjustedRect, r);
+    RECT r = ConvertToRECT(dc, rect);
 
     int state;
     if ( flags & wxCONTROL_PRESSED )
@@ -656,10 +656,7 @@ wxRendererXP::DrawHeaderButton(wxWindow *win,
 
     wxCHECK_MSG( dc.GetImpl(), -1, wxT("Invalid wxDC") );
 
-    wxRect adjustedRect = dc.GetImpl()->MSWApplyGDIPlusTransform(rect);
-
-    RECT r;
-    wxCopyRectToRECT(adjustedRect, r);
+    RECT r = ConvertToRECT(dc, rect);
 
     int state;
     if ( flags & wxCONTROL_PRESSED )
@@ -702,10 +699,7 @@ wxRendererXP::DrawTreeItemButton(wxWindow *win,
 
     wxCHECK_RET( dc.GetImpl(), wxT("Invalid wxDC") );
 
-    wxRect adjustedRect = dc.GetImpl()->MSWApplyGDIPlusTransform(rect);
-
-    RECT r;
-    wxCopyRectToRECT(adjustedRect, r);
+    RECT r = ConvertToRECT(dc, rect);
 
     int state = flags & wxCONTROL_EXPANDED ? GLPS_OPENED : GLPS_CLOSED;
     ::DrawThemeBackground
@@ -744,10 +738,7 @@ wxRendererXP::DoDrawButtonLike(HTHEME htheme,
 {
     wxCHECK_RET( dc.GetImpl(), wxT("Invalid wxDC") );
 
-    wxRect adjustedRect = dc.GetImpl()->MSWApplyGDIPlusTransform(rect);
-
-    RECT r;
-    wxCopyRectToRECT(adjustedRect, r);
+    RECT r = ConvertToRECT(dc, rect);
 
     // the base state is always 1, whether it is PBS_NORMAL,
     // {CBS,RBS}_UNCHECKEDNORMAL or CBS_NORMAL
@@ -876,10 +867,7 @@ wxRendererXP::DrawCollapseButton(wxWindow *win,
         if (flags & wxCONTROL_EXPANDED)
             flags |= wxCONTROL_CHECKED;
 
-        wxRect adjustedRect = dc.GetImpl()->MSWApplyGDIPlusTransform(rect);
-
-        RECT r;
-        wxCopyRectToRECT(adjustedRect, r);
+        RECT r = ConvertToRECT(dc, rect);
 
         ::DrawThemeBackground
             (
@@ -930,8 +918,8 @@ wxRendererXP::DrawItemSelectionRect(wxWindow *win,
 
     if ( ::IsThemePartDefined(hTheme, LVP_LISTITEM, 0) )
     {
-        RECT rc;
-        wxCopyRectToRECT(rect, rc);
+        RECT rc = ConvertToRECT(dc, rect);
+
         if ( ::IsThemeBackgroundPartiallyTransparent(hTheme, LVP_LISTITEM, itemState) )
             ::DrawThemeParentBackground(GetHwndOf(win), GetHdcOf(dc.GetTempHDC()), &rc);
 
@@ -967,8 +955,7 @@ void wxRendererXP::DrawItemText(wxWindow* win,
     if ( s_DrawThemeTextEx && // Might be not available if we're under XP
             ::IsThemePartDefined(hTheme, LVP_LISTITEM, 0) )
     {
-        RECT rc;
-        wxCopyRectToRECT(rect, rc);
+        RECT rc = ConvertToRECT(dc, rect);
 
         WXDTTOPTS textOpts;
         textOpts.dwSize = sizeof(textOpts);
@@ -1092,8 +1079,7 @@ void wxRendererXP::DrawGauge(wxWindow* win,
         return;
     }
 
-    RECT r;
-    wxCopyRectToRECT(rect, r);
+    RECT r = ConvertToRECT(dc, rect);
 
     ::DrawThemeBackground(
         hTheme,