wxPython中listbox用法实例详解

# load a listbox with names, select a name and display in title# experiments with wxPython by vegaseat 20mar2005# Python v2.4 and wxPython v2.5# If you have not already done so, install Python 2.4 first.# I used python-2.4.1c2.msi (this is the self-extracting# MS-Installer file) from http://www.python.org# Then install wxPython2.5-win32-unicode-2.5.4.1-py24.exe# from: http://prdownloads.sourceforge.net/wxpython/# (if you don't get into unicode, download the ansi version)# note: python-2.4.1c2.msi should soon be python-2.4.1.msiimport wxdef create(parent):  return Frame1(parent)# assign ID numbers[wxID_FRAME1, wxID_FRAME1BUTTON1, wxID_FRAME1BUTTON2, wxID_FRAME1LISTBOX1, ] = [wx.NewId() for _init_ctrls in range(4)]class Frame1(wx.Frame):  def _init_ctrls(self, prnt):    # BOA generated methods    wx.Frame.__init__(self, id=wxID_FRAME1, name='', parent=prnt,       pos=wx.Point(358, 184), size=wx.Size(299, 387),       style=wx.DEFAULT_FRAME_STYLE, title=u'ListBox Test ...')    self.SetClientSize(wx.Size(291, 347))    self.SetBackgroundColour(wx.Colour(0, 128, 0))    self.button1 = wx.Button(id=wxID_FRAME1BUTTON1, label=u'Load ListBox',       name='button1', parent=self, pos=wx.Point(8, 8), size=wx.Size(176,       28), style=0)    self.button1.Bind(wx.EVT_BUTTON, self.OnButton1Button,       id=wxID_FRAME1BUTTON1)    self.listBox1 = wx.ListBox(choices=[], id=wxID_FRAME1LISTBOX1,       name='listBox1', parent=self, pos=wx.Point(8, 48),       size=wx.Size(184, 256), style=0)    self.listBox1.SetBackgroundColour(wx.Colour(255, 255, 128))    self.listBox1.Bind(wx.EVT_LISTBOX, self.OnListBox1Listbox,       id=wxID_FRAME1LISTBOX1)    self.button2 = wx.Button(id=wxID_FRAME1BUTTON2, label=u'Clear',       name='button2', parent=self, pos=wx.Point(104, 312),       size=wx.Size(87, 28), style=0)    self.button2.Bind(wx.EVT_BUTTON, self.OnButton2Button,       id=wxID_FRAME1BUTTON2)  def __init__(self, parent):    self._init_ctrls(parent)  def OnButton1Button(self, event):    '''    click button to load the listbox with names    '''    self.listBox1.Append("Andreas")    self.listBox1.Append("Erich")    self.listBox1.Append("Udo")    self.listBox1.Append("Jens")    self.listBox1.Append("Bjorn")    self.listBox1.Append("Heidrun")    self.listBox1.Append("Ulla")    self.listBox1.Append("Volger")    self.listBox1.Append("Helmut")    self.listBox1.Append("Freja")    self.SetTitle("Select a name ...")  def OnListBox1Listbox(self, event):    '''    click list item and display the selected string in frame's title    '''    selName = self.listBox1.GetStringSelection()    self.SetTitle(selName)  def OnButton2Button(self, event):    '''    click button to clear the listbox items    '''    self.listBox1.Clear()#--------------- end of class Frame1 --------------------# program entry point ...if __name__ == '__main__':  app = wx.PySimpleApp()  wx.InitAllImageHandlers()  frame = create(None)  frame.Show()  app.MainLoop()