static PyObject* l_output_helper(PyObject* target, PyObject* o) {
     PyObject*   o2;
-    if (!target) {                   
+    if (!target) {
         target = o;
-    } else if (target == Py_None) {  
+    } else if (target == Py_None) {
         Py_DECREF(Py_None);
         target = o;
-    } else {                         
+    } else {
         if (!PyList_Check(target)) {
             o2 = target;
             target = PyList_New(0);
     PyObject*   o2;
     PyObject*   o3;
 
-    if (!target) {                   
+    if (!target) {
         target = o;
-    } else if (target == Py_None) {  
+    } else if (target == Py_None) {
         Py_DECREF(Py_None);
         target = o;
-    } else {                         
+    } else {
         if (!PyTuple_Check(target)) {
             o2 = target;
             target = PyTuple_New(1);
             PyTuple_SetItem(target, 0, o2);
         }
-        o3 = PyTuple_New(1);            
-        PyTuple_SetItem(o3, 0, o);      
+        o3 = PyTuple_New(1);
+        PyTuple_SetItem(o3, 0, o);
 
         o2 = target;
-        target = PySequence_Concat(o2, o3); 
-        Py_DECREF(o2);                      
+        target = PySequence_Concat(o2, o3);
+        Py_DECREF(o2);
         Py_DECREF(o3);
     }
     return target;
 }
 
-static char* wxStringErrorMsg = "string type is required for parameter";
+#if PYTHON_API_VERSION >= 1009
+    static char* wxStringErrorMsg = "String or Unicode type required";
+#else
+    static char* wxStringErrorMsg = "string type is required for parameter";
+#endif
 
     int wxCALLBACK wxPyListCtrl_SortItems(long item1, long item2, long funcPtr) {
         int retval = 0;
 };
 
 class wxPyTreeCtrl : public wxTreeCtrl {
+    DECLARE_ABSTRACT_CLASS(wxPyTreeCtrl);
 public:
     wxPyTreeCtrl(wxWindow *parent, wxWindowID id,
                  const wxPoint& pos,
                  char* name) :
         wxTreeCtrl(parent, id, pos, size, style, validator, name) {}
 
-
     int OnCompareItems(const wxTreeItemId& item1,
                        const wxTreeItemId& item2) {
         int rval = 0;
     PYPRIVATE;
 };
 
+IMPLEMENT_ABSTRACT_CLASS(wxPyTreeCtrl, wxTreeCtrl);
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj1) && !PyUnicode_Check(_obj1)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj1, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj1) && !PyUnicode_Check(_obj1)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj1, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj3) && !PyUnicode_Check(_obj3)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj3, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj1) && !PyUnicode_Check(_obj1)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj1, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj3) && !PyUnicode_Check(_obj3)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj3, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj3) && !PyUnicode_Check(_obj3)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj3, &tmpPtr, &tmpSize) == -1)
 #if PYTHON_API_VERSION >= 1009
     char* tmpPtr; int tmpSize;
     if (!PyString_Check(_obj2) && !PyUnicode_Check(_obj2)) {
-        PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
+        PyErr_SetString(PyExc_TypeError, wxStringErrorMsg);
         return NULL;
     }
     if (PyString_AsStringAndSize(_obj2, &tmpPtr, &tmpSize) == -1)
     { "_byte","_unsigned_char",0},
     { "_wxDataObject","_class_wxDataObject",0},
     { "_wxStaticBox","_class_wxStaticBox",0},
+    { "_wxColourDatabase","_class_wxColourDatabase",0},
     { "_wxPyDataObjectSimple","_class_wxPyDataObjectSimple",0},
     { "_wxPyDropSource","_class_wxPyDropSource",0},
     { "_wxChoice","_class_wxChoice",0},
     { "_class_wxDataObject","_wxDataObject",0},
     { "_wxStaticLine","_class_wxStaticLine",0},
     { "_wxBrush","_class_wxBrush",0},
+    { "_wxToggleButton","_class_wxToggleButton",0},
     { "_wxDataFormat","_class_wxDataFormat",0},
     { "_class_wxDataObjectSimple","_wxDataObjectSimple",0},
     { "_wxShowEvent","_class_wxShowEvent",0},
     { "_class_wxSpinCtrl","_wxSpinCtrl",0},
     { "_char","_wxChar",0},
     { "_wxBitmap","_class_wxBitmap",0},
+    { "_wxPenList","_class_wxPenList",0},
     { "_wxWindowDC","_class_wxWindowDC",0},
     { "_wxTimerEvent","_class_wxTimerEvent",0},
     { "_wxScrollBar","_class_wxScrollBar",0},
     { "_wxListItem","_class_wxListItem",0},
     { "_wxDropTarget","_class_wxDropTarget",0},
     { "_class_wxStaticLine","_wxStaticLine",0},
+    { "_class_wxColourDatabase","_wxColourDatabase",0},
     { "_wxScrollEvent","_class_wxScrollEvent",0},
     { "_EBool","_wxCoord",0},
     { "_EBool","_wxPrintQuality",0},
     { "_class_wxRect","_wxRect",0},
     { "_class_wxDC","_wxDC",0},
     { "_wxScrollWinEvent","_class_wxScrollWinEvent",0},
+    { "_class_wxBrushList","_wxBrushList",0},
     { "_wxQueryNewPaletteEvent","_class_wxQueryNewPaletteEvent",0},
+    { "_class_wxPenList","_wxPenList",0},
     { "_class_wxWindowCreateEvent","_wxWindowCreateEvent",0},
     { "_class_wxTreeEvent","_wxTreeEvent",0},
     { "_wxFocusEvent","_class_wxFocusEvent",0},
     { "_wxEraseEvent","_class_wxEraseEvent",0},
     { "_wxDataObjectComposite","_class_wxDataObjectComposite",0},
     { "_class_wxJoystickEvent","_wxJoystickEvent",0},
+    { "_class_wxToggleButton","_wxToggleButton",0},
     { "_wxRegion","_class_wxRegion",0},
     { "_class_wxShowEvent","_wxShowEvent",0},
     { "_wxPyDropTarget","_class_wxPyDropTarget",0},
     { "_class_wxClientDC","_wxClientDC",0},
     { "_class_wxSizeEvent","_wxSizeEvent",0},
     { "_class_wxListCtrl","_wxListCtrl",0},
+    { "_wxBrushList","_class_wxBrushList",0},
     { "_wxCustomDataObject","_class_wxCustomDataObject",0},
     { "_class_wxSize","_wxSize",0},
     { "_class_wxBitmap","_wxBitmap",0},
         PyDict_SetItemString(d,"wxEVT_COMMAND_TREE_ITEM_ACTIVATED", PyInt_FromLong((long) wxEVT_COMMAND_TREE_ITEM_ACTIVATED));
         PyDict_SetItemString(d,"wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK", PyInt_FromLong((long) wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK));
         PyDict_SetItemString(d,"wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK", PyInt_FromLong((long) wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK));
+        PyDict_SetItemString(d,"wxEVT_COMMAND_TREE_END_DRAG", PyInt_FromLong((long) wxEVT_COMMAND_TREE_END_DRAG));
 {
    int i;
    for (i = 0; _swig_mapping[i].n1; i++)