public partial class RadForm1 : Telerik.WinControls.UI.RadForm
    {
        public RadForm1()
        {
            InitializeComponent();
            this.SizeChanged += RadForm1_SizeChanged;
            this.timer1.Start();
        }

        private void RadForm1_SizeChanged(object sender, EventArgs e)
        {
            this.Text = this.Size.ToString();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.WindowState = FormWindowState.Normal;
            }
            else
            {
                this.WindowState = FormWindowState.Minimized;
            }
        }
    }