+// This finishes the initialization of wxWindows and then calls the OnInit
+// that should be present in the derived (Python) class.
+void wxPyApp::_BootstrapApp()
+{
+    static      bool haveInitialized = false;
+    bool        result, blocked;
+    PyObject*   retval = NULL;
+    PyObject*   pyint  = NULL;
+
+    
+    // Only initialize wxWidgets once
+    if (! haveInitialized) {
+        
+        // Get any command-line args passed to this program from the sys module
+        int    argc = 0;
+        char** argv = NULL;
+        blocked = wxPyBeginBlockThreads();
+        PyObject* sysargv = PySys_GetObject("argv");
+        if (sysargv != NULL) {
+            argc = PyList_Size(sysargv);
+            argv = new char*[argc+1];
+            int x;
+            for(x=0; x<argc; x++) {
+                PyObject *pyArg = PyList_GetItem(sysargv, x);
+                argv[x] = PyString_AsString(pyArg);
+            }
+            argv[argc] = NULL;
+        }
+        wxPyEndBlockThreads(blocked);
+
+        // Initialize wxWidgets
+        result = wxEntryStart(argc, argv);
+        delete [] argv;
+
+        blocked = wxPyBeginBlockThreads();
+        if (! result)  {
+            PyErr_SetString(PyExc_SystemError,
+                            "wxEntryStart failed, unable to initialize wxWidgets!"
+#ifdef __WXGTK__
+                            "  (Is DISPLAY set properly?)"
+#endif
+                );
+            goto error;
+        }
+
+        // On wxGTK the locale will be changed to match the system settings, but
+        // Python needs to have LC_NUMERIC set to "C" in order for the floating
+        // point conversions and such to work right.
+#ifdef __WXGTK__
+        setlocale(LC_NUMERIC, "C");
+#endif
+    
+        // The stock objects were all NULL when they were loaded into
+        // SWIG generated proxies, so re-init those now...
+        wxPy_ReinitStockObjects(3);
+
+        wxPyEndBlockThreads(blocked);
+        haveInitialized = true;
+    }
+    
+    // It's now ok to generate exceptions for assertion errors.
+    wxPythonApp->SetStartupComplete(true);
+
+    // Call the Python wxApp's OnInit function
+    blocked = wxPyBeginBlockThreads();
+    if (wxPyCBH_findCallback(m_myInst, "OnInit")) {
+
+        PyObject* method = m_myInst.GetLastFound();
+        PyObject* argTuple = PyTuple_New(0);
+        retval = PyEval_CallObject(method, argTuple);
+        Py_DECREF(argTuple);
+        Py_DECREF(method);
+        if (retval == NULL)
+            goto error;
+
+        pyint = PyNumber_Int(retval);
+        if (! pyint) {
+            PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
+            goto error;
+        }
+        result = PyInt_AS_LONG(pyint);
+    }
+    else {
+        // Is it okay if there is no OnInit?  Probably so...
+        result = true;
+    }
+
+    if (! result) {
+        PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
+    }
+
+ error:
+    Py_XDECREF(retval);
+    Py_XDECREF(pyint);
+
+    wxPyEndBlockThreads(blocked);
+};