Core Windows/Controls → Button

import wx
class Frame(wx.Frame):
def __init__(self, parent, id=-1, title='Button', pos=wx.DefaultPosition,
  size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE
  ):
  
  wx.Frame.__init__(self, parent, id, title, pos, size, style)
  self.SetIcon(wx.Icon('wxWidgets.ico', wx.BITMAP_TYPE_ICO))
  
  Panel = wx.Panel(self, -1)
  Button = wx.Button(Panel, -1, 'Click Me')
  Button.SetToolTipString('This is a button.')
  self.Bind(wx.EVT_BUTTON, self.OnTest, Button)
  
  
def OnTest(self, event):
  wx.MessageBox('You have clicked wx.Button.', 'Prompt')
  
  
  
def TestFrame():
app = wx.PySimpleApp()
frame = Frame(parent=None)
frame.Centre()
frame.Show()
app.MainLoop()

if __name__ == '__main__':
TestFrame()