add_id

Adds an XEMBED client, such as a Plug, to the Socket.

The client may be in the same process or in a different process.

To embed a Plug in a Socket, you can either create the Plug with `gtk_plug_new (0)`, call get_id to get the window ID of the plug, and then pass that to the add_id, or you can call get_id to get the window ID for the socket, and call Plug passing in that ID.

The Socket must have already be added into a toplevel window before you can make this call.

Parameters:

this	a Socket
window	the Window of a client participating in the XEMBED protocol.