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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. using System.Drawing.Drawing2D;
  10. using System.Drawing.Imaging;
  11.  
  12. namespace WindowsFormsApplication1
  13. {
  14.     public partial class Form1 : Form
  15.     {
  16.         public Form1()
  17.         {
  18.             InitializeComponent();
  19.         }
  20.  
  21.         private void Form1_Load(object sender, EventArgs e)
  22.         {
  23.             pictureBox1.Image = bmp;
  24.             timer1.Interval = 10;
  25.             timer1.Enabled = true;
  26.         }
  27.  
  28.         private void timer1_Tick(object sender, EventArgs e)
  29.         {
  30.             this.hogehoge();
  31.         }
  32.         Bitmap bmp = new Bitmap(100, 100, PixelFormat.Format32bppArgb);
  33.         private void hogehoge()
  34.         {
  35.             Rectangle rc = new Rectangle(Cursor.Position.X, Cursor.Position.Y, 100, 100);
  36.             using (Graphics g = Graphics.FromImage(bmp))
  37.             {
  38.                 g.CopyFromScreen(rc.X, rc.Y, 0, 0,
  39.                   rc.Size, CopyPixelOperation.SourceCopy);
  40.             }
  41.             pictureBox1.Invalidate();
  42.         }
  43.     }
  44. }
  45.  
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https://ideone.com/r9fEZ
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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