button_hiding_panel.py

import wx


class MyPanel(wx.Panel):
    """"""

    def __init__(self, parent):
        """Constructor"""
        wx.Panel.__init__(self, parent)
        
class MyFrame(wx.Frame):
    """"""

    def __init__(self):
        """Constructor"""
        wx.Frame.__init__(self, parent=None, title="Add Buttons")
        panel = MyPanel(self)
        btn = wx.Button(self, label="Button") 
        self.Show()


if __name__ == "__main__":
    app = wx.App(False)
    frame = MyFrame()
    app.MainLoop()

button_on_frame.py

import wx


class MyPanel(wx.Panel):
    """"""

    def __init__(self, parent):
        """Constructor"""
        wx.Panel.__init__(self, parent)
        btn = wx.Button(self, label="Panel Button") 
        
class MyFrame(wx.Frame):
    """"""

    def __init__(self):
        """Constructor"""
        wx.Frame.__init__(self, parent=None, title="Add Buttons")
        panel = MyPanel(self)
        btn = wx.Button(self, label="Frame Button") 
        
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(panel, 1, wx.ALL|wx.EXPAND)
        sizer.Add(btn, 0, wx.ALL)
        self.SetSizer(sizer)
        
        self.Show()


if __name__ == "__main__":
    app = wx.App(False)
    frame = MyFrame()
    app.MainLoop()

button_on_panel.py

import wx


class MyPanel(wx.Panel):
    """"""

    def __init__(self, parent):
        """Constructor"""
        wx.Panel.__init__(self, parent)
        btn = wx.Button(panel, label="Button") 
        
class MyFrame(wx.Frame):
    """"""

    def __init__(self):
        """Constructor"""
        wx.Frame.__init__(self, parent=None, title="Add Buttons")
        panel = MyPanel(self)        
        self.Show()


if __name__ == "__main__":
    app = wx.App(False)
    frame = MyFrame()
    app.MainLoop()