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/scroll_window.py

@@ -0,0 +1,26 @@
+import wx
+
+class ScrollbarFrame(wx.Frame):
+    def __init__(self):
+        wx.Frame.__init__(self, None, -1, 'Scrollbar Example', 
+                size=(300, 200))
+        self.scroll = wx.ScrolledWindow(self, -1)
+        self.scroll.SetScrollbars(1, 1, 600, 400)
+        self.button = wx.Button(self.scroll, -1, "Scroll Me", pos=(50, 20))
+        self.Bind(wx.EVT_BUTTON,  self.OnClickTop, self.button)
+        self.button2 = wx.Button(self.scroll, -1, "Scroll Back", pos=(500, 350))
+        self.Bind(wx.EVT_BUTTON, self.OnClickBottom, self.button2)
+
+    def OnClickTop(self, event):
+        self.scroll.Scroll(600, 400)
+        
+    def OnClickBottom(self, event):
+        self.scroll.Scroll(1, 1)
+        
+if __name__ == '__main__':
+    app = wx.PySimpleApp()
+    frame = ScrollbarFrame()
+    frame.Show()
+    app.MainLoop()
+
+