public DemoForm()
{
InitializeComponent();
container.SetContainer(label1);
painter.SetGraphics(label1.CreateGraphics());
control_0.SetPainter(painter);
control_1.SetPainter(painter);
control_2.SetPainter(painter);
control_0.Rectangle = new Rectangle(0, 0, 200, 100);
container.Controls.Add(control_0);
container.Controls.Add(control_1);
container.Controls.Add(control_2);
}