C#—实验10.3—工具栏和状态栏

雨点打透心脏的1/2处 2022-08-23 00:37 181阅读 0赞

/*
     * （1）在窗体上放置一个菜单、一个工具栏控件。具体操作如名字。
     * （2）statusStrip的操作。
     */
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.IO;
    
    namespace WindowsFormsApplication2
    {
        public partial class Form1 : Form
        {
            public Form1()
            {
                InitializeComponent();
            }
    
            private void Form1_Load(object sender, EventArgs e)
            {
                toolStripStatusLabel1.Text="编辑时间："+DateTime.Now.ToString();
            }
    
            private void 打开文件ToolStripMenuItem_Click(object sender, EventArgs e)
            {
                openfile();
            }
    
            private void openfile()
            {
                openFileDialog1.InitialDirectory = @"I:\";  //对话框显示的初始目录    
                openFileDialog1.DefaultExt = ".txt";  //获取或设置文件的拓展名    
                openFileDialog1.Filter = "所有文件|*.*|文本文件(*.txt)|*.txt";  //设定筛选器字符串    
                openFileDialog1.FilterIndex = 1; //设置显示的过滤字符串的索引    
                openFileDialog1.Title = "打开文件";   //设置对话框的标题    
                if (openFileDialog1.ShowDialog() == DialogResult.OK)  //显示“打开”对话框    
                {
                    StreamReader sr = new StreamReader(openFileDialog1.FileName, Encoding.GetEncoding("gb2312"));
                    FileInfo fileinfo = new FileInfo(openFileDialog1.FileName);
                    this.Text = fileinfo.Name;        //设置窗体标题  
                    richTextBox1.Text = sr.ReadToEnd();
                    sr.Close();
                }
            }
    
            private void 保存文件ToolStripMenuItem_Click(object sender, EventArgs e)
            {
                savefile();
            }
    
            private void savefile()
            {
                saveFileDialog1.InitialDirectory = @"I:\";  //对话框显示的初始目录    
                saveFileDialog1.AddExtension = true;  //是否自动在文件中添加拓展名    
                saveFileDialog1.DefaultExt = ".txt";  //获取或设置文件的拓展名    
                saveFileDialog1.Filter = "所有文件|*.*|文本文件(*.txt)|*.txt";  //设定筛选器字符串    
                saveFileDialog1.FilterIndex = 1; //设置显示的过滤字符串的索引    
                saveFileDialog1.Title = "保存文件";   //设置对话框的标题    
                if (saveFileDialog1.ShowDialog() == DialogResult.OK)  //显示“保存”对话框    
                {
                    StreamWriter sw = new StreamWriter(saveFileDialog1.FileName, true, Encoding.GetEncoding("gb2312"));
                    sw.Write(richTextBox1.Text);
                    sw.Close();
                    FileInfo fileinfo = new FileInfo(saveFileDialog1.FileName);
                    this.Text = fileinfo.Name;        //设置窗体标题  
                }  
            }
    
            private void toolStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
            {
                switch (e.ClickedItem.Name)
                {
                    case "toolStripLabel1":
                        openfile();
                        break;
                    case "toolStripLabel2":
                        savefile();
                        break;
                }
            }
    
            private void 结束程序ToolStripMenuItem_Click(object sender, EventArgs e)
            {
                Application.Exit();
            }
    
        }
    }

运行结果：

![Center][]

[Center]: /images/20220722/06c7882a54724b31900a7dc1986b9221.png