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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.         CheckBox[] checkBoxs;
  19.         private void Form1_Load(object sender, EventArgs e)
  20.         {
  21.             checkBoxs = new CheckBox[]
  22.             {
  23.                 checkBox1,checkBox2,checkBox3,checkBox4,checkBox5,
  24.             };
  25.             for (int i = 0; i < checkBoxs.Length; i++)
  26.             {
  27.                 checkBoxs[i].CheckedChanged += new EventHandler(checkBoxs_CheckedChanged);
  28.                 checkBoxs[i].Tag = i + 1;
  29.             }
  30.         }
  31.  
  32.         void checkBoxs_CheckedChanged(object sender, EventArgs e)
  33.         {
  34.             var ckbk = (CheckBox)sender;
  35.             int Number = (int)ckbk.Tag;
  36.             this.Text = Number.ToString();
  37.         }
  38.     }
  39. }
  40.  
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https://ideone.com/DAsWjW
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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