这段代码片段使用wx.lib.filebrowsebutton.FileBrowseButton控件打开一个wav文件，使用wx.Sound播放

''' wx_lib_filebrowsebutton_sound.py  select a sound file and play it  wx.lib.filebrowsebutton.FileBrowseButton(parent, labelText, fileMask)  (combines wx.TextCtrl and wxFileDialog widgets)  wx.Sound(fileName, isResource=False)  tested with Python27 and wxPython291  by  vegaseat  25jul2013  '''  import wx  import wx.lib.filebrowsebutton  class MyFrame(wx.Frame):      def __init__(self, parent, mytitle, mysize):          wx.Frame.__init__(self, parent, wx.ID_ANY, mytitle,              size=mysize)          self.SetBackgroundColour("green")          panel = wx.Panel(self)          # mask file browser to look for .wav sound files          self.fbb = wx.lib.filebrowsebutton.FileBrowseButton(panel,              labelText="Select a WAVE file:", fileMask="*.wav")          self.play_button = wx.Button(panel, wx.ID_ANY, ">> Play")          self.play_button.Bind(wx.EVT_BUTTON, self.onPlay)          # setup the layout with sizers          hsizer = wx.BoxSizer(wx.HORIZONTAL)          hsizer.Add(self.fbb, 1, wx.ALIGN_CENTER_VERTICAL)          hsizer.Add(self.play_button, 0, wx.ALIGN_CENTER_VERTICAL)          # create a border space          border = wx.BoxSizer(wx.VERTICAL)          border.Add(hsizer, 0, wx.EXPAND|wx.ALL, 10)          panel.SetSizer(border)      def onPlay(self, evt):          filename = self.fbb.GetValue()          self.sound = wx.Sound(filename)          # error handling ...          if self.sound.IsOk():              self.sound.Play(wx.SOUND_ASYNC)          else:              wx.MessageBox("Missing or invalid sound file", "Error")  app = wx.App(0)  # create a MyFrame instance and show the frame  mytitle = "wx.lib.filebrowsebutton and wx.Sound"  width = 600  height = 90  MyFrame(None, mytitle, (width, height)).Show()  app.MainLoop()