-        if xxx.__class__ == xxxFrame:
-            # Frame can't have many children,
-            # but it's first child possibly can...
-#            child = self.GetFirstChild(item, 0)[0]
-#            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
-#                # Clean-up before recursive call or error
-#                wxMemoryFSHandler_RemoveFile('xxx.xrc')
-#                wxEndBusyCursor()
-#                self.CreateTestWin(child)
-#                return
-            # This currently works under GTK, but not under MSW
-            testWin = g.testWin = wxPreFrame()
-            res.LoadOnFrame(testWin, g.frame, STD_NAME)
-            # Create status bar
-            testWin.panel = testWin
-            testWin.CreateStatusBar()
-            testWin.SetClientSize(testWin.GetBestSize())
-            testWin.panel = testWin
-            testWin.SetPosition(pos)
-            testWin.Show(True)
-        elif xxx.__class__ == xxxPanel:
-            # Create new frame
-            if not testWin:
-                testWin = g.testWin = wxFrame(g.frame, -1, 'Panel: ' + name,
+        try:
+            if xxx.__class__ == xxxFrame:
+                # Frame can't have many children,
+                # but it's first child possibly can...
+    #            child = self.GetFirstChild(item)[0]
+    #            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
+    #                # Clean-up before recursive call or error
+    #                wx.MemoryFSHandler.RemoveFile('xxx.xrc')
+    #                wx.EndBusyCursor()
+    #                self.CreateTestWin(child)
+    #                return
+                # This currently works under GTK, but not under MSW
+                testWin = g.testWin = wx.PreFrame()
+                res.LoadOnFrame(testWin, g.frame, STD_NAME)
+                # Create status bar
+                testWin.panel = testWin
+                #testWin.CreateStatusBar()
+                testWin.SetClientSize(testWin.GetBestSize())
+                testWin.SetPosition(pos)
+                testWin.Show(True)
+            elif xxx.__class__ == xxxPanel:
+                # Create new frame
+                if not testWin:
+                    testWin = g.testWin = wx.Frame(g.frame, -1, 'Panel: ' + name,
+                                                  pos=pos, name=STD_NAME)
+                testWin.panel = res.LoadPanel(testWin, STD_NAME)
+                testWin.SetClientSize(testWin.GetBestSize())
+                testWin.Show(True)
+            elif xxx.__class__ == xxxDialog:
+                testWin = g.testWin = res.LoadDialog(None, STD_NAME)
+                testWin.panel = testWin
+                testWin.Layout()
+                testWin.SetPosition(pos)
+                testWin.Show(True)
+                # Dialog's default code does not produce wx.EVT_CLOSE
+                wx.EVT_BUTTON(testWin, wx.ID_OK, self.OnCloseTestWin)
+                wx.EVT_BUTTON(testWin, wx.ID_CANCEL, self.OnCloseTestWin)
+            elif xxx.__class__ == xxxWizard:
+                wiz = wx.wizard.PreWizard()
+                res.LoadOnObject(wiz, None, STD_NAME, 'wxWizard')
+                # Find first page (don't know better way)
+                firstPage = None
+                for w in wiz.GetChildren():
+                    if isinstance(w, wx.wizard.WizardPage):
+                        firstPage = w
+                        break
+                if not firstPage:
+                    wx.LogError('Wizard is empty')
+                else:
+                    # Wizard should be modal
+                    self.SetItemBold(item)
+                    wiz.RunWizard(w)
+                    self.SetItemBold(item, False)
+                    wiz.Destroy()
+            elif xxx.__class__ in [xxxWizardPage, xxxWizardPageSimple]:
+                # Create new frame
+                if not testWin:
+                    testWin = g.testWin = wx.Frame(g.frame, -1, 'Wizard page: ' + name,
+                                                  pos=pos, name=STD_NAME)
+                testWin.panel = wx.PrePanel()
+                res.LoadOnObject(testWin.panel, testWin, STD_NAME, 'wxPanel')
+                testWin.SetClientSize(testWin.GetBestSize())
+                testWin.Show(True)
+            elif xxx.__class__ == xxxMenuBar:
+                testWin = g.testWin = wx.Frame(g.frame, -1, 'MenuBar: ' + name,