Removes the current #GtkFrame:label-widget. If @label is not %NULL, creates a new #GtkLabel with that text and adds it as the #GtkFrame:label-widget.
the text to use as the label of the frame
See Implementation
Removes the current #GtkFrame:label-widget. If @label is not %NULL, creates a new #GtkLabel with that text and adds it as the #GtkFrame:label-widget.