f.setResizable(false);
wCanvas(vWindow win, String label, int w, int h) {    wlist = new Vector();    wlist.addElement(win);    this.setSize(w, h);    f = new Frame(label);    f.setTitle(label);    f.add(this, "North");    f.pack();    i = this.createImage(w, h);    evq = vList.New(0, null);			// create event queue    tty = new wTTY();				// create TTY instance    wEvent.register(this);			// register event handlers    Pointer(win, "arrow");}