-        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
-#                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
+    #                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,
+                                                  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 EVT_CLOSE
+                EVT_BUTTON(testWin, wxID_OK, self.OnCloseTestWin)
+                EVT_BUTTON(testWin, wxID_CANCEL, self.OnCloseTestWin)
+            elif xxx.__class__ == xxxMenuBar:
+                testWin = g.testWin = wxFrame(g.frame, -1, 'MenuBar: ' + name,
+                                              pos=pos, name=STD_NAME)
+                testWin.panel = None
+                # Set status bar to display help
+                testWin.CreateStatusBar()
+                testWin.menuBar = res.LoadMenuBar(STD_NAME)
+                testWin.SetMenuBar(testWin.menuBar)
+                testWin.Show(True)
+            elif xxx.__class__ == xxxToolBar:
+                testWin = g.testWin = wxFrame(g.frame, -1, 'ToolBar: ' + name,