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diff --git a/lib/wx/c_src/wxe_callback_impl.h b/lib/wx/c_src/wxe_callback_impl.h
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+++ b/lib/wx/c_src/wxe_callback_impl.h
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+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2014-2016. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifndef _WXE_CALLBACK_IMPL_H
+#define	_WXE_CALLBACK_IMPL_H
+
+void pre_callback();
+void handle_event_callback(ErlDrvPort port, ErlDrvTermData process);
+
+#if wxCHECK_VERSION(2,9,0)
+    #define wxeIntPtr wxIntPtr
+#else
+    // This is bad but how it was in wx-2.8
+    #define wxeIntPtr long
+#endif
+
+/* Fun Callback id */ 
+class wxeEvtListener : public wxEvtHandler
+{
+public:
+   wxeEvtListener(ErlDrvTermData caller, int req, char *req_type,
+		  int funcb, int skip_ev, wxeErlTerm * userData,
+		  ErlDrvTermData Thisport);
+   ~wxeEvtListener();
+   void forward(wxEvent& event);
+   ErlDrvTermData port;
+   ErlDrvTermData listener;
+   int          fun_id;
+   int          obj;
+   char         class_name[40];
+   int          skip;
+   wxeErlTerm * user_data;
+};
+
+class wxEPrintout : public wxPrintout
+{
+ public:
+ wxEPrintout(wxString Title, int onPrintP, int onPrepareP,
+	     int onBeginP, int onEndP,
+	     int onBeginD, int onEndD,
+	     int hasP, int getPageI, ErlDrvTermData Port) :
+    wxPrintout(Title),
+	onPrintPage(onPrintP), onPreparePrinting(onPrepareP),
+	onBeginPrinting(onBeginP), onEndPrinting(onEndP),
+	onBeginDocument(onBeginD), onEndDocument(onEndD), hasPage(hasP), getPageInfo(getPageI),
+	port(Port)
+	{ } ;
+
+    ~wxEPrintout();
+
+    bool OnBeginDocument(int startPage, int endPage);
+    void OnEndDocument();
+    void OnBeginPrinting();
+    void OnEndPrinting();
+
+    void OnPreparePrinting();
+
+    bool HasPage(int page);
+    bool OnPrintPage(int page);
+    void GetPageInfo(int *minPage, int *maxPage, int *pageFrom, int *pageTo);
+
+    int onPrintPage;
+    int onPreparePrinting;
+    int onBeginPrinting;
+    int onEndPrinting;
+    int onBeginDocument;
+    int onEndDocument;
+    int hasPage;
+    int getPageInfo;
+
+    ErlDrvTermData port;
+};
+
+void clear_cb(ErlDrvTermData port, int callback);
+
+// Implementation of wxListCtrlCompare
+struct callbackInfo {
+    ErlDrvTermData port;
+    int callbackID;
+};
+
+int wxCALLBACK wxEListCtrlCompare(wxeIntPtr item1, wxeIntPtr item2, wxeIntPtr callbackInfoPtr);
+
+#endif