A sized frame
Controls added to its content pane will automatically be added to the panes sizer.
Usage: ‘self’ is a SizedFrame instance
pane = self.GetContentsPane() pane.SetSizerType(“horizontal”)
b1 = wx.Button(pane, wx.ID_ANY) t1 = wx.TextCtrl(pane, -1) t1.SetSizerProps(expand=True)
Return the pane to add controls too