e the effect"});
    canvas.add(msg, 20,20);
    canvas.add(new draw2d.shape.basic.Label({text:"circle.installEditPolicy(new draw2d.policy.figure.RectangleSelectionFeedbackPolicy());"}),200,100);
    canvas.add(new draw2d.shape.basic.Label({text:"circle.installEditPolicy(new draw2d.policy.figure.AntSelectionFeedbackPolicy());"}),200,150);
    canvas.add(new draw2d.shape.basic.Label({text:"circle.installEditPolicy(new draw2d.policy.figure.GlowSelectionFeedbackPolicy());"}),200,200);
    canvas.add(new draw2d