gtk/gtk.go
func (v *Entry) SetWidthChars(nChars int) {
	C.gtk_entry_set_width_chars(v.native(), C.gint(nChars))
}
func (v *Entry) SetWidthChars(nChars int) {
	C.gtk_entry_set_width_chars(v.native(), C.gint(nChars))
}
// SetWidthChars() is a wrapper around gtk_entry_set_width_chars().