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-07/slider.py

@@ -0,0 +1,22 @@
+import wx 
+
+class SliderFrame(wx.Frame):
+    def __init__(self):
+        wx.Frame.__init__(self, None, -1, 'Slider Example', 
+                size=(300, 350))
+        panel = wx.Panel(self, -1)
+        self.count = 0
+        slider = wx.Slider(panel, 100, 25, 1, 100, pos=(10, 10),
+                size=(250, -1),
+                style=wx.SL_HORIZONTAL | wx.SL_AUTOTICKS | wx.SL_LABELS )
+        slider.SetTickFreq(5, 1)
+        slider = wx.Slider(panel, 100, 25, 1, 100, pos=(125, 70),
+                size=(-1, 250),
+                style=wx.SL_VERTICAL | wx.SL_AUTOTICKS | wx.SL_LABELS )
+        slider.SetTickFreq(20, 1)
+        
+if __name__ == '__main__':
+    app = wx.PySimpleApp()
+    frame = SliderFrame()
+    frame.Show()
+    app.MainLoop()