Added the sample code from wxPython In Action to the samples dir

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42925 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/samples/wxPIA_book/Chapter-08/help_context.py

@@ -0,0 +1,16 @@
+import wx
+
+class HelpFrame(wx.Frame):
+
+    def __init__(self):
+        pre = wx.PreFrame()
+        pre.SetExtraStyle(wx.FRAME_EX_CONTEXTHELP)
+        pre.Create(None, -1, "Help Context", size=(300, 100),
+                style=wx.DEFAULT_FRAME_STYLE ^
+                (wx.MINIMIZE_BOX | wx.MAXIMIZE_BOX))
+        self.PostCreate(pre)
+
+if __name__ == '__main__':
+    app = wx.PySimpleApp()
+    HelpFrame().Show()
+    app.MainLoop()