超悪い例

state_and_sideeffect.py

#-*- coding:utf-8 -*-

import wx


class Window(wx.Frame):

    def __init__(self, *argl, **argd):

        super(Window, self).__init__(*argl, **argd)

        self.field = None

        self.cmbField = wx.ComboBox(self)

        self.cmbField.Append('foo')
        self.cmbField.Append('bar')
        self.cmbField.Append('bazz')

        self.cmbField.Select(0)

        self.cmbField.Bind(wx.EVT_COMBOBOX, self.callback)


        
    def callback(self, evt):

        # 状態を導入!!
        self.field = self.cmbField.StringSelection

        print self.field



app = wx.App(redirect=False)

w = Window(None)

w.Show()

app.MainLoop()

Thank you!