class application : public session { 
    public:
      application(int argc, char* argv[])
  				: session(argc,argv,"drawtool") {}
    
      void main() {
        widget* root = tk->root();
        frame* f = new frame(root,".frame");
    
        tablet* c = new tablet(f);                 // create tablet
  
        toolbox* b = new toolbox(f,c);
        menubar* m = new menu_bar(root,c,b);
  
        b->pack("-side left");                       // pack tablet
        c->pack("-side right");
  
        tk->pack(m)->pack(f);                // pack menu and frame
      }
    };