filediter.cs

os 课程设计不含文档 123456789

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

namespace os
{
    public partial class filediter : System.Windows.Forms.Form
    {
        public string filename;
        public string fullpath;
        private bool ischanged = false;//
        private int filelength;
        private file f;
        public filediter()//
        {
            InitializeComponent();
            f = new file();
        }

        private void button2_Click(object sender, EventArgs e)//关闭按钮
        {
            if (ischanged == true)
            {
                DialogResult result;
                result = MessageBox.Show("文件已经修改, 要保存吗？", "确认保存", MessageBoxButtons.YesNo);
                if (result == DialogResult.Yes)
                {
                    f.currentdir = fullpath;
                    f.writefile(filename, textBox1.Text);
                }
            }
            this.Close();
        }

        private void button1_Click(object sender, EventArgs e)//保存按钮
        {
            if (ischanged == true)
            {
                f.currentdir = fullpath;
                f.writefile(filename, textBox1.Text);
                ischanged = false;
            }
        }

        private void textBox1_TextChanged(object sender, EventArgs e)//文本内容改变
        {
            ischanged = true;
            filelength = textBox1.Text.Length;
            label2.Text = "文件大小：" + filelength;
        }

        private void filediter_Load(object sender, EventArgs e)//装载事件
        {
            string text = "";
            f.currentdir = fullpath;
            
            label1.Text = "文件路径："+fullpath + "\\" + filename;
            label2.Text = "文件大小：" + textBox1.Text.Length;
            f.readfile(filename, ref text);
            textBox1.Text = text;
            ischanged = false;
        }
    }
}