[gtkmm] example for get_text from entry

["Elaf Al-Ani" <e9427759 student tuwien ac at>]

hi
i'm programming a window, i need to read date
from entry, my programm uses manage and new.
i saw
the tutoial of gtkmm for entry, but i need an
example using manage and new, because i get all
ways the failer"sementation failed" when i try to
write into the entry and type return.
thank you
very much
elaf