find.cs

简单的记事本功能

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

namespace 记事本
{
    public partial class Find : Form
    {
        public string findstring;
            public int findplace;
        public string finding;
        //public Form1 ff = new Form1();
       
        public Find()
        {
            InitializeComponent();
            this.TopMost = true;
        }

        private void button1_Click(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            Close();
        }

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

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            //string source;   //被查找的文本
            //string finding;  //查找的关键字
            //if (checkBox1.Checked == false)
            //{
            //    source = this.ff.richTextBox1.Text.ToLower();
            //    finding = this.textBox1.Text.ToLower();
            //    int temp = source.IndexOf(finding, findplace);
            //    this.ff.richTextBox1.Select(temp, finding.Length);
            //    Activate();
            //    findplace += finding.Length;
            //}
            //else
            //{
            //    source = this.ff.richTextBox1.Text;
            //    finding = this.textBox1.Text;
            //    this.ff.richTextBox1.Select(findplace, finding.Length);
            //    Activate();
            //    findplace += finding.Length;
            //}                
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

            if (textBox1.Text.Length == 0)
            {
                button1.Enabled = false;
            }
            else
            {
                button1.Enabled = true;
            }
        }
    }
}