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-11/prependgridsizer.py

@@ -0,0 +1,18 @@
+import wx
+from blockwindow import BlockWindow
+
+labels = "one two three four five six seven eight nine".split()
+
+class GridSizerFrame(wx.Frame):
+    def __init__(self):
+        wx.Frame.__init__(self, None, -1, "Prepend Grid Sizer")
+        sizer = wx.GridSizer(rows=3, cols=3, hgap=5, vgap=5)
+        for label in labels:
+            bw = BlockWindow(self, label=label)
+            sizer.Prepend(bw, 0, 0)
+        self.SetSizer(sizer)
+        self.Fit()
+
+app = wx.PySimpleApp()
+GridSizerFrame().Show()
+app.MainLoop()