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查找和替换.cs
资源名称：Notebook.rar　[点击查看]
上传用户：hueiseng
上传日期：2022-07-26
资源大小：156k
文件大小：4k
源码类别：

C#编程

开发平台：

Visual C++

查找和替换.cs：源码内容
  1. using System;
  2. using System.Collections.Generic;
  3. using System.ComponentModel;
  4. using System.Data;
  5. using System.Drawing;
  6. using System.Text;
  7. using System.Windows.Forms;
  9. namespace 笔记本
  10. {
  11.     public partial class 查找 : Form
  12.     {
  13.         static int findplace = 0;
  14.   
  15.         public 查找()
  16.         {
  17.             InitializeComponent();
  18.         }
  20.         public string note
  21.         {
  22.             get
  23.             {
  24.                 return textBox1.Text;
  25.             }
  26.         }
  28.         private void textBox1_TextChanged(object sender, EventArgs e)
  29.         {
  30.             if (textBox1.Text.Length > 0)
  31.                 button1.Enabled = true;
  32.             else
  33.                 button1.Enabled = false;
  34.         }
  36.         private void button1_Click(object sender, EventArgs e)
  37.         {
  38.             Form1 f1 = (Form1)this.Owner;
  39.             f1.Activate();
  42.             if (textBox1.Text.Length > 0)
  43.             {
  44.                 if (!checkBox1.Checked)
  45.                 {
  46.                     if (radioButton1.Checked)
  47.                     {
  49.                         findplace = f1.richTextBox1.SelectionStart - 1;
  50.                         if (findplace < 0)
  51.                         {
  52.                             MessageBox.Show("无法找到搜索项！");
  53.                             findplace = 0;
  55.                         }
  56.                         else
  57.                         {
  58.                             findplace = f1.richTextBox1.Text.LastIndexOf(textBox1.Text, findplace);
  59.                             f1.richTextBox1.Select(findplace, textBox1.Text.Length);
  60.                         }
  61.                     }
  68.                     if (radioButton2.Checked)
  69.                     {
  70.                         findplace = f1.richTextBox1.Text.IndexOf(textBox1.Text, findplace);
  72.                         if (findplace == -1)
  73.                         {
  74.                             MessageBox.Show("无法找到搜索项！");
  75.                             findplace = f1.richTextBox1.SelectionStart;
  77.                         }
  78.                         else
  79.                         {
  80.                             f1.richTextBox1.Select(findplace, textBox1.Text.Length);
  81.                             findplace = f1.richTextBox1.SelectionStart + textBox1.Text.Length;
  82.                         }
  86.                     }
  87.                 }
  90.                 else
  91.                 {
  92.                     if (radioButton1.Checked)
  93.                     {
  95.                         findplace = f1.richTextBox1.SelectionStart - 1;
  96.                         if (findplace < 0)
  97.                         {
  98.                             MessageBox.Show("无法找到搜索项！");
  99.                             findplace = 0;
  101.                         }
  102.                         else
  103.                         {
  104.                             findplace = f1.richTextBox1.Text.LastIndexOf(textBox1.Text, findplace, StringComparison.OrdinalIgnoreCase);
  105.                             f1.richTextBox1.Select(findplace, textBox1.Text.Length);
  106.                         }
  107.                     }
  108.                     if (radioButton2.Checked)
  109.                     {
  110.                         findplace = f1.richTextBox1.Text.IndexOf(textBox1.Text, findplace, StringComparison.OrdinalIgnoreCase);
  112.                         if (findplace == -1)
  113.                         {
  114.                             MessageBox.Show("无法找到搜索项！");
  115.                             findplace = f1.richTextBox1.SelectionStart;
  117.                         }
  118.                         else
  119.                         {
  120.                             f1.richTextBox1.Select(findplace, textBox1.Text.Length);
  121.                             findplace = f1.richTextBox1.SelectionStart + textBox1.Text.Length;
  122.                         }
  126.                     }
  128.                 }
  129.                 }
  132.             }
  133.         }
  134.     }