form1.cs

C#简易文字编辑器

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
//Download by http://www.codefans.net
namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string fname;
        bool f;

        private void Form1_Load(object sender, EventArgs e)
        {
            label1.Text = "请输入需要查找的字符串后,再单击<查找搜寻>钮: "; 
        }

        private void btnFont_Click(object sender, EventArgs e)
        {
            if (fontDialog1.ShowDialog() == DialogResult.OK)
               richTextBox1.SelectionFont = fontDialog1.Font;
        }

        private void btnColor_Click(object sender, EventArgs e)
        {
            if (colorDialog1.ShowDialog() == DialogResult.OK)
                richTextBox1.SelectionColor =colorDialog1.Color ;
        }

        private void btnItem_Click(object sender, EventArgs e)
        {
            if (f == false)
            {
               richTextBox1.SelectionBullet = true;
               f = true;
            }
           else
           {
              richTextBox1.SelectionBullet = false;
               f = false;
           }

        }

        private void brnFind_Click(object sender, EventArgs e)
        {
           int strstart;
           string str1="";
           str1 = textBox1.Text;
           strstart = richTextBox1.Find(str1);
           if (strstart > 0)
           {
               richTextBox1.SelectionLength = str1.Length;
               richTextBox1.SelectionStart = strstart;
               richTextBox1.Focus();
           }
           else
           {
               label1.Text= "Not  Find ! ......";
           }
        }

        private void btnClear_Click(object sender, EventArgs e)
        {
            richTextBox1.Clear();
        }

        private void btnOpen_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK) 
            {
                fname = openFileDialog1.FileName;
                richTextBox1.LoadFile(fname, RichTextBoxStreamType.RichText );
                // 将开启对话框设定的文件名指定给fname 
            }
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                fname = saveFileDialog1.FileName;
                richTextBox1.SaveFile(fname, RichTextBoxStreamType.RichText );
            }
        }

        private void richTextBox1_LinkClicked(object sender, LinkClickedEventArgs e)
        {
            System.Diagnostics.Process.Start (e.LinkText);
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }   
    }
}