Re: Custom gobject property's validation

["Nickolay V. Shmyrev" <nshmyrev yandex ru>]

Probably you need to start with reading a tutorial, many of them located
in 

http://www.developer.gnome.org

For example, this one:

http://le-hacker.org/papers/gobject/

You need to add signal to object when you create object class. About
properties, you can check their values during property-get/property-set
function.