diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index ecb019b99..5dc438970 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -4948,6 +4948,45 @@
       <not-uninit/>
     </arg>
   </function>
+  <!-- bool wxSizer::Show(wxWindow * window, bool show = true, bool recursive = false) -->
+  <!-- bool wxSizer::Show(wxSizer * window, bool show = true, bool recursive = false) -->
+  <!-- bool wxSizer::Show(size_t index, bool show = true) -->
+  <!-- bool wxStaticBoxSizer::Show(wxWindow * window, bool show = true, bool recursive = false) -->
+  <!-- bool wxStaticBoxSizer::Show(wxSizer * window, bool show = true, bool recursive = false) -->
+  <!-- bool wxStaticBoxSizer::Show(size_t index, bool show = true) -->
+  <function name="wxSizer::Show,wxStaticBoxSizer::Show">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <leak-ignore/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in" default="true">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in" default="true">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- void wxSizer::ShowItems( bool show ) -->
+  <function name="wxSizer::ShowItems">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- void wxGrid::ShowCol( int col ) -->
+  <!-- void wxGrid::ShowRow( int row ) -->
+  <function name="wxGrid::ShowCol,wxGrid::ShowRow">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- virtual void wxFont::SetStrikethrough (bool show=true) -->
   <function name="wxFont::SetStrikethrough">
     <noreturn>false</noreturn>
@@ -7149,6 +7188,26 @@
       <not-uninit/>
     </arg>
   </function>
+  <!-- wxPGProperty * wxPropertyGridInterface::Append( wxPGProperty * property ) -->
+  <!-- wxPGProperty * wxPropertyGridManager::Append( wxPGProperty * property ) -->
+  <function name="wxPropertyGridInterface::Append,wxPropertyGridManager::Append">
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <returnValue type="wxPGProperty *"/>
+    <arg nr="1" direction="inout">
+      <not-uninit/>
+      <not-null/>
+    </arg>
+  </function>
+  <!-- wxPGChoiceEntry & wxPGChoices::Add( const wxPGChoiceEntry & entry ) -->
+  <function name="wxPGChoices::Add">
+    <noreturn>false</noreturn>
+    <returnValue type="wxPGChoiceEntry &amp;"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- void wxGraphicsContext::SetPen(const wxPen & pen) -->
   <!-- void wxDC::SetPen(const wxPen & pen) -->
   <!-- void wxDC::SetBrush(const wxBrush & pen) -->