Hello,Just a question...suppose that you have some clients and each client has a main application UI(user interface) which is just a GtkWindow instanceand suppose that for some business reasons, you have to create at need a child UI (which subclass any GtkContainer like GtkBox or GtkGrid for example) you actually make you UI, compile the code of this UIand after you distribute it over internet to your client. This client has to get the code, load this code which becomes the child UI of the main UI...what can I do that? I have take a look at