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-18/sound.py

@@ -0,0 +1,38 @@
+import wx
+from wx.lib.filebrowsebutton import FileBrowseButton
+
+class MyFrame(wx.Frame):
+    def __init__(self):
+        wx.Frame.__init__(self, None, title="wx.Sound",
+                          size=(500,100))
+        p = wx.Panel(self)
+
+        # create the controls
+        self.fbb = FileBrowseButton(p,
+                                    labelText="Select WAV file:",
+                                    fileMask="*.wav")
+        btn = wx.Button(p, -1, "Play")
+        self.Bind(wx.EVT_BUTTON, self.OnPlaySound, btn)
+        
+        # setup the layout with sizers
+        sizer = wx.BoxSizer(wx.HORIZONTAL)
+        sizer.Add(self.fbb, 1, wx.ALIGN_CENTER_VERTICAL)
+        sizer.Add(btn, 0, wx.ALIGN_CENTER_VERTICAL)
+        border = wx.BoxSizer(wx.VERTICAL)
+        border.Add(sizer, 0, wx.EXPAND|wx.ALL, 15)
+        p.SetSizer(border)
+
+
+    def OnPlaySound(self, evt):
+        filename = self.fbb.GetValue()
+        self.sound = wx.Sound(filename)
+        if self.sound.IsOk():
+            self.sound.Play(wx.SOUND_ASYNC)
+        else:
+            wx.MessageBox("Invalid sound file", "Error")
+    
+
+app = wx.PySimpleApp()
+frm = MyFrame()
+frm.Show()
+app.MainLoop()