【C#】上机实验八

1. 设计一个窗体应用程序，模拟写字板应用程序的基本功能。具体功能要求如下：

（1）“文件”菜单中有“新建”、“打开”、“保存”、“退出”子菜单。

（2）“编辑”菜单中有“剪切”、“复制”、“粘贴”、“撤销”、“重复”、“全选”子菜单。

（3）工具菜单中有“颜色”、“字体”、“状态栏”功能。

（4）帮助菜单中有“关于”菜单功能。

（5）实现“编辑”菜单中、“工具”栏目中“剪切”、“复制”、“粘贴”、“撤销”、“重复”、“全选”的功能。

（6）实现文件的新建、打开、保存功能。（利用RichTextBox控件）

（7）文件菜单添加打开文本文件、保存文本文件菜单项，实现文件的打开、保存功能。（利用文件读写类）

提示：

（1）添加菜单栏、工具栏、RichTextBox控件。

（2）在打开对话框中要想只显示文本文档，可以在通用对话框Filter属性中设置*.txt类别。richTextBox的LoadFile、SaveFile方法中要指定文件流为RichTextBoxStreamType.PlainText

（3）点击菜单和工具栏相关按钮都实现同一个功能，所以会调用同一个方法。设计一系列公有方法实现相关功能。建议完成一个方法，就运行测试一个方法，问题解决后再编写下一个方法，避免出现太多错误。

 

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 MyNote
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.toolStripStatusLabel1.Text = "Welcome To My Note";
            this.toolStripStatusLabel2.Text = DateTime.Now.ToString();
            
        }

        #region 自定义方法
        
        public void TextCopy()
        {
            this.richTextBox1.Copy();
        }

        public void TextCut()
        {
            this.richTextBox1.Cut();
        }

        public void TextPaste()
        {
            this.richTextBox1.Paste();
        }

        public void TextUndo()
        {
            this.richTextBox1.Undo();
        }

        public void TextRedo()
        {
            this.richTextBox1.Redo();
        }

        public void TextSelectAll()
        {
            this.richTextBox1.SelectAll();
        }

        public void FileOpenMethod()
        {
            OpenFileDialog dia = new OpenFileDialog();
            dia.Filter = "文本文件(*.txt)|*.txt|所有文件|*.*";

            //dia.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            if (dia.ShowDialog() == DialogResult.OK)
            {
                this.richTextBox1.LoadFile(dia.FileName, RichTextBoxStreamType.PlainText);
                this.toolStripStatusLabel1.Text = dia.SafeFileName;
                this.toolStripStatusLabel2.Text = DateTime.Now.ToString();
            }
        }

        public void FileSaveMethod()
        {
            SaveFileDialog dia = new SaveFileDialog();
            dia.Filter = "文本文件(*.txt)|*.txt|所有文件|*.*";

            //dia.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            if (dia.ShowDialog() == DialogResult.OK)
            {
                this.richTextBox1.SaveFile(dia.FileName, RichTextBoxStreamType.PlainText);
            }
        }

        public void About() 
        {
            AboutBox1 dia = new AboutBox1();
            dia.ShowDialog();
        }
        #endregion


        #region 菜单栏方法
        private void 新建ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.toolStripStatusLabel1.Text = "New blank Page";
            this.toolStripStatusLabel2.Text = DateTime.Now.ToString();
            this.richTextBox1.Text = "";
        }

        private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FileOpenMethod();
        }

        private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FileSaveMethod();
        }

        private void 剪切ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TextCut();
        }
        private void 复制ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TextCopy();
        }

        private void 粘贴ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TextPaste();
        }

        private void 撤销ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TextUndo();
        }

        private void 重复ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TextRedo();
        }
        private void 全选ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            TextSelectAll();
        }

        private void 颜色ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ColorDialog dia = new ColorDialog();
            dia.Color = this.richTextBox1.SelectionColor;
            if (dia.ShowDialog() == DialogResult.OK)
            {
                this.richTextBox1.SelectionColor = dia.Color;
            }
        }

        private void 字体ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FontDialog dia = new FontDialog();
            dia.Font = this.richTextBox1.SelectionFont;
            dia.Color = this.richTextBox1.SelectionColor;
            dia.ShowColor = true;
            if (dia.ShowDialog() == DialogResult.OK)
            {
                this.richTextBox1.SelectionFont = dia.Font;
                this.richTextBox1.SelectionColor = dia.Color;
            }
        }

        private void 状态框ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.statusStrip1.Visible = !this.statusStrip1.Visible;
            状态框ToolStripMenuItem.Checked = this.statusStrip1.Visible;
        }

        private void 关于ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            About();
        }

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

        #endregion



        #region 工具栏方法

        //新建按键
        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            this.toolStripStatusLabel1.Text = "New blank Page";
            this.toolStripStatusLabel2.Text = DateTime.Now.ToString();
            this.richTextBox1.Text = "";
        }

        //打开按键
        private void toolStripButton2_Click(object sender, EventArgs e)
        {
            FileOpenMethod();
        }

        //保存按键 
        private void toolStripButton3_Click(object sender, EventArgs e)
        {
            FileSaveMethod();
        }

        //复制按钮
        private void toolStripButton4_Click(object sender, EventArgs e)
        {
            TextCopy();
        }

        //剪切按钮
        private void toolStripButton5_Click(object sender, EventArgs e)
        {
            TextCut();
        }

        //粘贴按钮
        private void toolStripButton6_Click(object sender, EventArgs e)
        {
            TextPaste();
        }
        
        //撤销按钮 
        private void toolStripButton7_Click(object sender, EventArgs e)
        {
            TextUndo();
        }
        
        //重复按钮 
        private void toolStripButton8_Click(object sender, EventArgs e)
        {
            TextRedo();
        }

        private void toolStripButton9_Click(object sender, EventArgs e)
        {
            About();
        }
        #endregion
    }
}