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  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.Linq;
  7. using System.Text;
  8. using System.Windows.Forms;
  9.  
  10. namespace WindowsFormsApplication1
  11. {
  12.     public partial class Form1 : Form
  13.     {
  14.         public Form1()
  15.         {
  16.             InitializeComponent();
  17.         }
  18.  
  19.         private void Form1_Load(object sender, EventArgs e)
  20.         {
  21.  
  22.         }
  23.  
  24.         private void Form1_Paint(object sender, PaintEventArgs e)
  25.         {
  26.         }
  27.     }
  28.     public class LineShape : Label
  29.     {
  30.         public Color PenColor;
  31.         public float _Width;
  32.         PointF _StartPoint;
  33.         PointF _EndPoint;
  34.         public LineShape()
  35.         {
  36.             PenColor = Color.Black;
  37.             _Width = 1.0f;
  38.             _StartPoint = new PointF(0.0f, 0.0f);
  39.             _EndPoint = new PointF(100.0f, 0.0f);
  40.             this.Paint += new PaintEventHandler(LineShape_Paint);
  41.  
  42.         }
  43.  
  44.         void LineShape_Paint(object sender, PaintEventArgs e)
  45.         {
  46.             Graphics g = e.Graphics;
  47.             Pen p = new Pen(PenColor,_Width);
  48.             p.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
  49.             g.DrawLine(p,_StartPoint,_EndPoint);
  50.             p.Dispose();
  51.         }
  52.         public float PenWidth
  53.         {
  54.             get
  55.             {
  56.                 return _Width;
  57.             }
  58.             set
  59.             {
  60.                 _Width = value;
  61.                 this.ppp();
  62.             }
  63.         }
  64.         public PointF StartPoint
  65.         {
  66.             get
  67.             {
  68.                 return _StartPoint;
  69.             }
  70.             set
  71.             {
  72.                 _StartPoint = value;
  73.                 this.ppp();
  74.  
  75.             }
  76.         }
  77.         public PointF EndPoint
  78.         {
  79.             get
  80.             {
  81.                 return _EndPoint;
  82.             }
  83.             set
  84.             {
  85.                 _EndPoint = value;
  86.                 this.ppp();
  87.             }
  88.         }
  89.         private void ppp()
  90.         {
  91.             this.ClientSize = new Size((int)_EndPoint.X+1, (int)_EndPoint.Y+1);
  92.  
  93.         }
  94.     }
  95. }
  96.  
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https://ideone.com/rY0NG
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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