How to create an unclosed dialog in wxPython?

[alejandro]

Don't press alt+f4?

"??" <liangguanhui at 163.com> wrote in message 
news:719e6773-bad0-46ff-9842-a7ade2ced17c at f41g2000pra.googlegroups.com...
> In wxPython, after I create a wx.Frame, I want to create a modeless
> and unclosed dialog. Here is my step:
>
> app = wx.PySimpleApp()
> f = wx.Frame(None, -1, "Test")
> d = wx.Dialog(f, -1, "Test Dialog", style = wx.CAPTION)
> f.Show()
> d.Show()
> app.MainLoop()
>
> As you see, I create a dialog with wx.CAPTION style. And than, there
> is no close button in this dialog. It seems unclosed dialog, but in
> fact, if you enter Alt+F4 in this dialog, it will close. How could I
> do?
>