How to use notify-send with C++?

Okay so this is how I did it. First install libnotify-dev:

sudo apt-get install libnotify-dev

this will install the lib on your system and put the headers of the lib to /usr/include/libnotify/

You can take a look at the header files to find out how to use the lib. I did the following:

#include <libnotify/notify.h>
#include <iostream>

int main(int argc, char * argv[] ) 
{
    notify_init("Sample");
    NotifyNotification* n = notify_notification_new ("Hello world", 
                                 "some message text... bla bla",
                                  0);
    notify_notification_set_timeout(n, 10000); // 10 seconds

    if (!notify_notification_show(n, 0)) 
    {
        std::cerr << "show has failed" << std::endl;
        return -1;
    }
    return 0;
}

In order to build this type:

g++ hello_world.cc -o hello_world `pkg-config --cflags --libs libnotify`

And here is the result: