SimpleSizer.py

#!/usr/bin/env python

import wx


class TestFrame(wx.Frame):
    def __init__(self, parent, id, title, position, size):

        wx.Frame.__init__(self, parent, -1, title, style=wx.DEFAULT_FRAME_STYLE | wx.NO_FULL_REPAINT_ON_RESIZE)
        self.panel1 = wx.Panel(self, -1, wx.DefaultPosition, wx.DefaultSize, wx.SUNKEN_BORDER)
        self.exit = wx.Button(self, -1, "Exit")
        self.exit.Bind(wx.EVT_BUTTON, self.OnCloseWindow)

        box = wx.BoxSizer(wx.VERTICAL)
        box.Add(self.panel1, 1, wx.EXPAND | wx.ALL, 10)
        box.Add(self.exit, 0, wx.ALIGN_BOTTOM | wx.ALIGN_RIGHT | wx.ALL, 4)
        self.SetSizer(box)

        self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)

    def OnCloseWindow(self, event):
        self.Destroy()


class App(wx.App):
    def OnInit(self):
        frame = TestFrame(None, -1, "Sizer Test", wx.DefaultPosition, (400, 400))
        self.SetTopWindow(frame)
        frame.Show(True)
        return True


if __name__ == "__main__":
    app = App(0)
    app.MainLoop()