import wx
 
 
# 自定义窗口类MyFrame
class MyFrame(wx.Frame):
 def __init__(self):
  super().__init__(parent=None, title="分隔窗口", size=(450, 300))
  self.Center()
  swindow = wx.SplitterWindow(parent=self, id=-1)
  left = wx.Panel(parent=swindow)
  right = wx.Panel(parent=swindow)
  # 设置左右布局的分割窗口left和right
  swindow.SplitVertically(left, right, 100)
  # 设置最小窗格大小，左右布局指左边窗口大小
  swindow.SetMinimumPaneSize(80)
  # 创建一个ListBox对象
  self.list = ['苹果', '橘子', '香蕉', '梨子', '芒果']
  lb2 = wx.ListBox(left, 1, choices=self.list, style=wx.LB_SINGLE)
  self.Bind(wx.EVT_LISTBOX, self.on_listbox, lb2)
  # 为left面板设置一个布局管理器
  vbox1 = wx.BoxSizer(wx.VERTICAL)
  left.SetSizer(vbox1)
  vbox1.Add(lb2, 1, flag=wx.EXPAND | wx.ALL, border=5)
  # 为right面板设置一个布局管理器
  vbox2 = wx.BoxSizer(wx.VERTICAL)
  right.SetSizer((vbox2))
  self.st = wx.StaticText(right, 2, label='请选择')
  vbox2.Add(self.st, 1, flag=wx.EXPAND | wx.ALL, border=5)
 
 def on_listbox(self, event):
  self.st.SetLabelText(event.GetString())
 
 
class App(wx.App):
 def OnInit(self):
  # 创建窗口对象
  frame = MyFrame()
  frame.Show()
  return True
 
 def OnExit(self):
  print("应用程序退出")
  return 0
 
 
if __name__ == '__main__':
 app = App()
 app.MainLoop()