David於 2019年9月8日星期日 UTC+8下午8時14分03秒寫道： > On Sun, 8 Sep 2019 at 21:05, <jf...@ms4.hinet.net> wrote: > > David於 2019年9月8日星期日 UTC+8下午6時44分55秒寫道： > > > On Sun, 8 Sep 2019 at 20:25, <jf...@ms4.hinet.net> wrote: > > > > > If I have two widgets created this way: > > > > t0 = tkinter.Text() > > > > t1 = tkinter.Text() > > > > How many Tk objects will there be? > > > Sorry, didn't make it clear. I mean <tkinter.Tk object .> > > Sorry I didn't read more carefully. > But I think that the method I demonstrated can give > the answer to your question. > > >>> import tkinter > >>> t0 = tkinter.Text() > >>> t1 = tkinter.Text() > >>> t0.master > <tkinter.Tk object .> > >>> t1.master > <tkinter.Tk object .> > >>> t0.master is t1.master > True > >>>
Thank you. After a quick trace to find out the reason, I found that Tkinter prevents Tk() be called more than once from widget constructors, so only one Tk object exists:-) --Jach -- https://mail.python.org/mailman/listinfo/python-list
