[ 1573855 ] Improved appearance of wxComboCtrl's wxTextCtrl

More work needs to be done for the version with
 images.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41835 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/combo.h

@@ -65,6 +65,8 @@ public:
 
     virtual ~wxGenericComboCtrl();
 
+    void SetCustomPaintWidth( int width );
+
     virtual bool IsKeyPopupToggle(const wxKeyEvent& event) const;
 
     static int GetFeatures() { return wxComboCtrlFeatures::All; }