Added menu sample, and some other minor changes to the demo

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16005 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/demo/wxTreeCtrl.py

@@ -80,6 +80,7 @@ class TestTreeCtrlPanel(wxPanel):
         EVT_RIGHT_UP(self.tree, self.OnRightUp)
 
 
+
     def OnRightClick(self, event):
         pt = event.GetPosition();
         item, flags = self.tree.HitTest(pt)
@@ -88,7 +89,6 @@ class TestTreeCtrlPanel(wxPanel):
         self.tree.SelectItem(item)
 
 
-
     def OnRightUp(self, event):
         pt = event.GetPosition();
         item, flags = self.tree.HitTest(pt)
@@ -165,15 +165,15 @@ def runTest(frame, nb, log):
 
 
 
-
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 overview = """\
 A tree control presents information as a hierarchy, with items that may be expanded to show further items. Items in a tree control are referenced by wxTreeItemId handles.
 
 """
+
+
+
+if __name__ == '__main__':
+    import sys,os
+    import run
+    run.main(['', os.path.basename(sys.argv[0])])
+