public partial class TdPanel : UserControl

    {

        [DefaultValue(typeof(Color))]

        public Color LineColor

        {

            get { return LineColor; } 

            set { LineColor = value; }

        }



        public TdPanel()

        {

            InitializeComponent();

        }



        private void TdPanel_Resize(object sender, EventArgs e)

        {

            panel1.Size = this.Size;

        }



        private void panel1_Paint(object sender, PaintEventArgs e)

        {

            ControlPaint.DrawBorder(e.Graphics,

                                this.panel1.ClientRectangle,

                                this.LineColor,         //left

                                1,

                                ButtonBorderStyle.Solid,

                                this.LineColor,         //top

                                1,

                                ButtonBorderStyle.Solid,

                                this.LineColor,        //right

                                1,