import wx

class Panel(wx.Panel):
    def __init__(self, parent, id):
        wx.Panel.__init__(self, parent, id)

class Schermpje(wx.Frame):
    def __init__(self, parent, id, title):
        wx.Frame.__init__(self, parent, id, title, size = (500,600))
        self.paneeltje = Panel(self, -1)
        self.SetPosition((200,200))
        self.Show(True)

if __name__ == "__main__":
    app = wx.App()
    Schermpje(None, -1, "Simpel Scherm")
    app.MainLoop()