C# 记事本 课堂练习

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;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.FileName = "";
            openFileDialog1.Filter = "富文件(*.rtf)|*rtf";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
                richTextBox1.LoadFile(openFileDialog1.FileName, RichTextBoxStreamType.RichText);
        }

        private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            saveFileDialog1.InitialDirectory = @"c:\";
            saveFileDialog1.Filter = "富文件(*.rtf)|*rtf";
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
                richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.RichText);
        

        }

        private void 字体ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fontDialog1.ShowDialog();
            richTextBox1.SelectionFont = fontDialog1.Font;
        }

        private void 颜色ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            colorDialog1.ShowDialog();
            richTextBox1.SelectionBackColor = colorDialog1.Color;
        }

        private void 自动换行ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.WordWrap = !richTextBox1.WordWrap;
            自动换行ToolStripMenuItem.Checked = !自动换行ToolStripMenuItem.Checked;
        }

        private void 新建ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Text = "";
        }

        private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void 复制ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Clipboard.Clear();
            Clipboard.SetData(DataFormats.Rtf, richTextBox1.SelectedRtf);
        }

        private void 粘贴ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.SelectedRtf = Clipboard.GetData(DataFormats.Rtf).ToString();
        }

        private void 撤销ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Undo();
        }

        private void 重做ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Redo();
        }

    }
}

标签：sender,课堂练习,C#,void,object,private,EventArgs,记事本,ToolStripMenuItem
来源： https://www.cnblogs.com/iamrich/p/14975085.html