SetSelection() must update m_selectionOld, otherwise it doesn't correspond to the real selection any more and selection change events are sent twice

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37190 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/combobox.cpp

@@ -755,6 +755,16 @@ void wxComboBox::Clear()
     m_value.clear();
 }
 
+// ----------------------------------------------------------------------------
+// overridden wxChoice methods
+// ----------------------------------------------------------------------------
+
+void wxComboBox::SetSelection(int n)
+{
+    wxChoice::SetSelection(n);
+    m_selectionOld = n;
+}
+
 // ----------------------------------------------------------------------------
 // standard event handling
 // ----------------------------------------------------------------------------