This widget can be used to write plugins for other
applications. It takes the id of an existing GtkSocket
and will embed itself into it and so into the other application.
The GtkPlug can be filled with widgets
like any other window, except that it is visible inside another
Please have a look at the GtkSocket
documentation, as the plug can only be used together with
Note that if the application with the socket is quit, the
program with the plugged-in plug will exit as well.