Python-сообщество

scroll = wx.ScrollBar(self, -1)
#...
scroll.SetScrollbar(position=a, thumbSize=b, range=c, pageSize=d, refresh=True)

#!/usr/bin/python
# -*- coding: utf-8 -*-

import wx

class MainWindow(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, parent=None, title="Test", size=(300, 200))
        self.do_layout()
        self.Bind(wx.EVT_BUTTON, self.on_button)

    def do_layout(self):
        sizer = wx.BoxSizer(wx.VERTICAL)

        btn = wx.Button (self, wx.NewId(), "Button")
        self.scroll = wx.ScrollBar(self, wx.NewId())
        btnSizer = wx.BoxSizer()
        btnSizer.Add(btn, flag=wx.ALIGN_CENTER)

        sizer.Add(btnSizer, proportion=1, flag=wx.ALIGN_CENTER)
        sizer.Add(self.scroll, flag=wx.ALIGN_BOTTOM | wx.EXPAND)

        self.SetSizer(sizer)
        self.Layout()

    def on_button(self, evt):
        range_ = self.scroll.GetRange() + 1
        # must be:
        # self.scroll.SetScrollbar(position=0, thumbSize=1, range=range_, pageSize=1, refresh=True)
        self.scroll.SetScrollbar(orientation=0, position=1, thumbSize=range_,  range=1, refresh=True)

if __name__ == "__main__":
    app = wx.PySimpleApp(0)
    mainWnd = MainWindow()
    mainWnd.Show()
    app.MainLoop()