diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index e55f3c848..9ed2eab5b 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -10453,7 +10453,10 @@
     <arg nr="1" direction="in"/>
   </function>
   <!-- wxSize wxDC::GetSize( void ) const -->
+  <!-- void GetSize (wxCoord *width, wxCoord *height) const -->
   <!-- wxSize wxDC::GetSizeMM( void ) const -->
+  <!-- void GetSizeMM (wxCoord *width, wxCoord *height) const -->
+  <!-- Derived classes: -->
   <!-- wxSize wxGCDC::GetSizeMM( void ) const -->
   <!-- wxSize wxGCDC::GetSize( void ) const -->
   <!-- wxSize wxClientDC::GetSize( void ) const-->
@@ -10468,8 +10471,9 @@
     <noreturn>false</noreturn>
     <const/>
     <leak-ignore/>
-    <returnValue type="wxSize"/>
-    <use-retval/>
+    <returnValue/>
+    <arg nr="1" default="0" direction="out"/>
+    <arg nr="2" default="0" direction="out"/>
   </function>
   <!-- wxDataViewColumn* wxDataViewListCtrl::AppendTextColumn(const wxString & label, wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = -1, wxAlignment align = wxALIGN_LEFT, int flags = wxDATAVIEW_COL_RESIZABLE) -->
   <!-- wxDataViewColumn* wxDataViewListCtrl::AppendToggleColumn(const wxString & label, wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT, int width = -1, wxAlignment align = wxALIGN_LEFT, int flags = wxDATAVIEW_COL_RESIZABLE) -->
diff --git a/test/cfg/wxwidgets.cpp b/test/cfg/wxwidgets.cpp
index 023d39746..3ee4b8365 100644
--- a/test/cfg/wxwidgets.cpp
+++ b/test/cfg/wxwidgets.cpp
@@ -9,6 +9,7 @@
 
 #include <wx/wx.h>
 #include <wx/app.h>
+#include <wx/dc.h>
 #include <wx/log.h>
 #include <wx/filefn.h>
 #include <wx/spinctrl.h>
@@ -27,6 +28,22 @@
 #include <wx/textctrl.h>
 #include <wx/propgrid/property.h>
 
+void ignoredReturnValue_wxDC_GetSize(const wxDC &dc, wxCoord *width, wxCoord *height)
+{
+    // No warning is expected for
+    dc.GetSize(width, height);
+    // Now warning is expected for
+    (void)dc.GetSize();
+}
+
+void ignoredReturnValue_wxDC_GetSizeMM(const wxDC &dc, wxCoord *width, wxCoord *height)
+{
+    // No warning is expected for
+    dc.GetSizeMM(width, height);
+    // Now warning is expected for
+    (void)dc.GetSizeMM();
+}
+
 wxSizerItem* invalidFunctionArgBool_wxSizer_Add(wxSizer *sizer, wxWindow * window, const wxSizerFlags &flags)
 {
     // No warning is expected for