C#编程

开发平台：
Visual C++

Form1.cs：源码内容
							﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace 笔记本
{
    
    public partial class Form1 : Form
    {
        public string check;
        
        public Form1()
        {
            InitializeComponent();
            toolStripButton1.Tag = 新建ToolStripMenuItem;
            toolStripButton2.Tag = 打开ToolStripMenuItem;
         
        }
        private void 新建ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (text != richTextBox1.Text)
            {
                if (richTextBox1.Text.Length > 0)
                {
                    DialogResult result = MessageBox.Show("文本内容己改变，想保存文件吗？", "提示信息", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information);
                    if (result == DialogResult.Yes)
                    {
                        if (path == null || openFileDialog1.ReadOnlyChecked)
                        {
                            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
                            {
                                richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText);
                                richTextBox1.Text = "";
                            }
                        }
                        else
                        {
                            richTextBox1.SaveFile(path, RichTextBoxStreamType.PlainText);
                            richTextBox1.Text = "";
                        }
                    }
                    if (result == DialogResult.No)
                        richTextBox1.Text = "";
                }
            }
        }
        private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                richTextBox1.LoadFile(openFileDialog1.FileName, RichTextBoxStreamType.PlainText);
            }
        }
        private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            saveFileDialog1.DefaultExt = "*.rtf";
            saveFileDialog1.Filter = "RTF Files|*.rtf";
            if (path == null || openFileDialog1.ReadOnlyChecked)
            {
                if (saveFileDialog1.ShowDialog() == DialogResult.OK)
                {
                    richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText);
                 
                }
            }
            else
            {
                richTextBox1.SaveFile(path, RichTextBoxStreamType.PlainText);
                
            }
            
        }
        private void 另存为ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            saveFileDialog1.ShowDialog();
            // saveFileDialog1.DefaultExt = "*.rtf";
            //saveFileDialog1.Filter = "RTF Files|*.rtf";
            if (richTextBox1.Text.Length == 0)
            {
                DialogResult result = MessageBox.Show("文本内为空想保存文件吗？", "提示信息", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information);
                if (result == DialogResult.Yes)
                {
                    if (saveFileDialog1.ShowDialog() == DialogResult.OK)
                    {
                        richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText);
                        richTextBox1.Text = "";
                    }
                }
            }
            else
            {
                if (saveFileDialog1.ShowDialog() == DialogResult.OK)
                {
                    richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText);
                    richTextBox1.Text = "";
                }
            }
        }
        private void 页面设置ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            pageSetupDialog1.Document = printDocument1;
            pageSetupDialog1.ShowDialog();       
        }
        private void 打印ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            pageSetupDialog1.Document = printDocument1;
            printDocument1.Print();
        }
        private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.Text!= null)
            {
                string now = richTextBox1.Text;
                if (path != null)
                {
                    richTextBox1.Clear();
                    richTextBox1.LoadFile(path, RichTextBoxStreamType.PlainText);
                }
                if (path == null ||openFileDialog1.ReadOnlyChecked || (path != null && richTextBox1.Text != now))
                {
                    if (saveFileDialog1.ShowDialog() == DialogResult.OK)
                    {
                        richTextBox1.Clear();
                        richTextBox1.Text = now;
                        richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText);
                        richTextBox1.Text = "";
                    }
                }
            }
            Close();
        }
        private void 撤ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Undo();
        }
        private void 剪切ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.SelectedText != null)
            {
                剪切ToolStripMenuItem.Enabled = true;
                richTextBox1.Cut();
            }
        }
        private void 复制ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.SelectedText != null)
            {
                richTextBox1.Copy();
            }
            
        }
        private void 粘贴ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.SelectedText != null)
            {
                richTextBox1.Copy();
            }
        }
        private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.SelectedText = "";
        }
        private void 编辑ToolStripMenuItem_Click_1(object sender, EventArgs e)
        {
            剪切ToolStripMenuItem.Enabled = false;
            if (richTextBox1.SelectedText.Length > 0)
            {
                剪切ToolStripMenuItem.Enabled = true;
            }
            else
            {
                剪切ToolStripMenuItem.Enabled = false;
            }
            复制ToolStripMenuItem.Enabled = false;
            if (richTextBox1.SelectedText.Length > 0)
            {
                复制ToolStripMenuItem.Enabled = true;
            }
            else
            {
                复制ToolStripMenuItem.Enabled = false;
            }
            删除ToolStripMenuItem.Enabled = false;
            if (richTextBox1.SelectedText.Length > 0)
            {
                删除ToolStripMenuItem.Enabled = true;
            }
            else
            {
                删除ToolStripMenuItem.Enabled = false;
            }
            查找ToolStripMenuItem1.Enabled = false;
            if (richTextBox1.Text.Length > 0)
            {
                查找ToolStripMenuItem1.Enabled = true;
            }
            else
            {
                查找ToolStripMenuItem1.Enabled = false;
            }
         
         
        }
       
        private void 打印预览ToolStripMenuItem_Click_1(object sender, EventArgs e)
        {
            pageSetupDialog1.Document = printDocument1;
            printPreviewDialog1.ShowDialog();
        }
       
        private void 查找下一个ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.SelectedText != null)
            {
                int findplace=richTextBox1.SelectionStart+richTextBox1.SelectedText.Length;
                findplace = richTextBox1.Text.IndexOf(richTextBox1.SelectedText,findplace);
                if (findplace == -1)
                    MessageBox.Show("没有搜索项");
                else
                richTextBox1.Select(findplace, richTextBox1.SelectedText.Length);
                
               
            }
            else
            {
                查找ToolStripMenuItem1_Click(sender, e);
            }
        }
        private void 查找ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            if (richTextBox1.Text.Length > 0)
            {
                查找ToolStripMenuItem1.Enabled = true;
                查找 show = new 查找();
                show.Owner = this;
                show.ShowDialog();
            }
            else
                查找ToolStripMenuItem1.Enabled = false;
        }
      
        
        private void timer1_Tick(object sender, EventArgs e)
        {
            toolStripStatusLabel1.Text = DateTime.Now.ToString();
            int line = this.richTextBox1.GetLineFromCharIndex(richTextBox1.SelectionStart);
            int col;
            int start=0;
            int cursor = richTextBox1.SelectionStart;
            while (start < cursor)
            {
                if (line == this.richTextBox1.GetLineFromCharIndex(start))
                {
                    break;
                }
                else
                    start++;
            }
            col = cursor - start;
            line++;
            col++;
            toolStripStatusLabel2.Text = "行" + line.ToString() + "列" + col.ToString();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            timer1.Start();
            
        }
      
        private void 替换ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.Text.Length > 0)
            {
                替换ToolStripMenuItem.Enabled = true;
                替换 show = new 替换();
                show.Owner = this;
                show.ShowDialog();
            }
        }
        private void 转到ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            转到ToolStripMenuItem.Enabled = true;
            转到 show = new 转到();
            show.Owner = this;
            show.ShowDialog(); 
        }
        private void 全选ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.Text != null)
                richTextBox1.SelectAll();
             全选ToolStripMenuItem.Enabled=false;
        }
        private void 时间日期ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Text += toolStripStatusLabel1.Text;
        }
        private void 自动换行ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if(richTextBox1 .WordWrap==false)
            {
                richTextBox1.WordWrap = true;
                自动换行ToolStripMenuItem.Text="√自动换行";
                }
            else
                {
                    richTextBox1.WordWrap =false;
                    自动换行ToolStripMenuItem.Text ="自动换行";
                }
        }
        private void 字体ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fontDialog1.ShowColor = true;
            if (fontDialog1.ShowDialog() != DialogResult.Cancel)
            {
                richTextBox1.Font = fontDialog1.Font;
                richTextBox1.ForeColor = fontDialog1.Color;
               
            }
        }
        private void 状态栏ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (statusStrip1.Visible == false)
            {
                statusStrip1.Visible = true;
                状态栏ToolStripMenuItem.Text = "√状态栏";
            }
            else
            {
                statusStrip1.Visible = false;
                状态栏ToolStripMenuItem.Text = "状态栏";
            }
        }
        private void 关于记事本ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            主题 show = new 主题();
            show.Show();
        }
       
        private void Form1_MouseDown(object sender, MouseEventArgs e)
        {
        }
        private void 撤消撤消ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Undo();
        }
        private void 剪切ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            剪切ToolStripMenuItem_Click(sender, e);
        }
        private void 复制ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
             复制ToolStripMenuItem_Click(sender,e);
        }
        private void 粘贴ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            粘贴ToolStripMenuItem_Click( sender,e);
        }
        private void 删除ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            删除ToolStripMenuItem_Click(sender, e);
        }
        private void 全选ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            全选ToolStripMenuItem_Click(sender, e);
        }
       
        private void richTextBox1_MouseDown(object sender, MouseEventArgs e)
        {
            if (MouseButtons == MouseButtons.Right)
            {
                int x = MousePosition.X;
                int y = MousePosition.Y;
                contextMenuStrip1.Show(x, y);
            }
        }
        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            新建ToolStripMenuItem_Click(sender,e);
        }
        private void toolStripButton2_Click(object sender, EventArgs e)
        {
            打开ToolStripMenuItem_Click(sender, e);
        }
        private void toolStripButton3_Click(object sender, EventArgs e)
        {
            保存ToolStripMenuItem_Click(sender, e);
        }
        private void toolStripButton7_Click(object sender, EventArgs e)
        {
            打印ToolStripMenuItem1_Click(sender, e);
        }
        private void toolStripButton8_Click(object sender, EventArgs e)
        {
            查找ToolStripMenuItem1_Click(sender, e);
        }
        private void toolStripButton4_Click(object sender, EventArgs e)
        {
            复制ToolStripMenuItem_Click(sender, e);
        }
        private void toolStripButton5_Click(object sender, EventArgs e)
        {
            剪切ToolStripMenuItem_Click(sender, e);
        }
        private void toolStripButton6_Click(object sender, EventArgs e)
        {
            粘贴ToolStripMenuItem_Click(sender, e);
        }
        private void 关于记事本ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            HELP show = new HELP();
            show.Show();
        }
       
        
       private void 图片ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
            if (openFileDialog2.ShowDialog ()== DialogResult.OK)
            {
                pictureBox1.Load(openFileDialog2.FileName);
                Point a = new Point();
                a.X = richTextBox1.GetPositionFromCharIndex(richTextBox1.SelectionStart).X;
                a.Y= richTextBox1.GetPositionFromCharIndex(richTextBox1.SelectionStart).Y+49;
                pictureBox1.Location = a;
                    
           
                pictureBox1.Visible = true;
                richTextBox1.Focus();
                richTextBox1.SelectionStart = richTextBox1.GetCharFromPosition(a);
            }
        }
    
        
      
        
       
    }
}

						