How to use TextCtrl for this use

Now I want to use wx.TextCtrl to present like this:

__year__month__day

and I want user can type thier input above the “",not insert value before "

how can I do it?

Look at the masked edit controls in the demo.

···

On 6/4/07, Lee DYER <lee.dyer@gmail.com> wrote:

Now I want to use wx.TextCtrl to present like this:
__year__month__day

and I want user can type thier input above the "_",not insert value before
"_"

how can I do it?