#coding:utf-8

import wx

labels='1 2 3 4 5 6 7 8 9 '.split()

class TestFrame(wx.Frame):

    def __init__(self):

        wx.Frame.__init__(self,None,-1,'grid sizer')

        panel=wx.Panel(self,-1)

        sizer=wx.GridBagSizer(hgap=5,vgap=5)

        for col in range(3):

            for row in range(3):

                button=wx.Button(panel,label=labels[row*3+col])

                sizer.Add(button,pos=(row,col))

        #跨行

        bt=wx.Button(panel,label='sapn 3 rows')

        sizer.Add(bt,pos=(0,3),span=(3,1),flag=wx.EXPAND)

        #跨列

        bt=wx.Button(panel,label='span all columns')

        sizer.Add(bt,pos=(3,0),span=(1,4),flag=wx.EXPAND)

        #使最后的行和列可增长

        sizer.AddGrowableCol(3)

        sizer.AddGrowableRow(3)

        panel.SetSizer(sizer)

        sizer.Fit(self)

app=wx.App(False)

TestFrame().Show()

app.MainLoop()