using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
        }
    }
    public class LineShape : Label
    {
        public Color PenColor;
        public float _Width;
        PointF _StartPoint;
        PointF _EndPoint;
        public LineShape()
        {
            PenColor = Color.Black;
            _Width = 1.0f;
            _StartPoint = new PointF(0.0f, 0.0f);
            _EndPoint = new PointF(100.0f, 0.0f);
            this.Paint += new PaintEventHandler(LineShape_Paint);
            
        }

        void LineShape_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            Pen p = new Pen(PenColor,_Width);
            p.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
            g.DrawLine(p,_StartPoint,_EndPoint);
            p.Dispose();
        }
        public float PenWidth
        {
            get
            {
                return _Width;
            }
            set
            {
                _Width = value;
                this.ppp();
            }
        }
        public PointF StartPoint
        {
            get
            {
                return _StartPoint;
            }
            set
            {
                _StartPoint = value;
                this.ppp();

            }
        }
        public PointF EndPoint
        {
            get
            {
                return _EndPoint;
            }
            set
            {
                _EndPoint = value;
                this.ppp();
            }
        }
        private void ppp()
        {
            this.ClientSize = new Size((int)_EndPoint.X+1, (int)_EndPoint.Y+1);

        }
    }
}