c# 記事本 V1.0

編輯模組只實現了全選和時間2個功能，自動換行的功能還沒寫。

如果需要全部源碼的請留言或者發郵件至henanlinzhoulcl@163.com

 

版本：1.0

 主要代碼如下：

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
 
namespace MyNotePad
{
    public partial class MyNotePad : Form
    {
        public MyNotePad()
        {
            InitializeComponent();
            this.toolStripStatusLabel3.Text = DateTime.Now.DayOfWeek.ToString();
        }
 
        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            //textBox1.Text += e.KeyChar;
        }
 
        private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
 
        private void 日期ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.textBox1.SelectedText != "")
            {
                this.textBox1.SelectedText = DateTime.Now.ToString();
            }
            else
            {
                this.textBox1.Text += DateTime.Now;
            }
        }
 
        private void timer1_Tick(object sender, EventArgs e)
        {
            this.toolStripStatusLabel1.Text = "現在時間是:" + DateTime.Now.ToString();
        }
 
        private void 狀態列ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.statusStrip1.Visible == false)
            {
                this.statusStrip1.Visible = true;
            }
            else
            {
                this.statusStrip1.Visible = false;
                this.textBox1.Height += 10;
            }
        }
 
        private void 關於MyNotePadAToolStripMenuItem_Click(object sender, EventArgs e)
        {
            About ab = new About();
            ab.Show();
        }
 
        private void 全選ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.textBox1.SelectAll();
        }
 
        private void 字型ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (fontDialog1.ShowDialog() == DialogResult.OK)
            {
                textBox1.Font = fontDialog1.Font;
            }
        }
 
        private void MyNotePad_Resize(object sender, EventArgs e)
        {
            this.panel1.Width = this.Size.Width - 25;
            this.panel1.Height = this.Size.Height - 50;
            this.textBox1.Width = this.panel1.Width;
            this.textBox1.Height = this.panel1.Height;
        }
 
        private void 自動換行ToolStripMenuItem_Click(object sender, EventArgs e)
        {
 
        }
 
        private void 儲存ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (SaveFileDialog saveDig = new SaveFileDialog())
            {
                saveDig.Filter = @"文字文件(*.txt)|*.txt";
                saveDig.FileName = "*.txt";
                if (saveDig.ShowDialog() == DialogResult.OK)
                {
                    StreamWriter sw = new StreamWriter(saveDig.FileName, false, System.Text.Encoding.Default);
                    sw.Write(this.textBox1.Text);
                    sw.Close();
                    this.Text = saveDig.FileName;
                }
            }
        }
 
        private void 另存新檔ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (SaveFileDialog saveDig = new SaveFileDialog())
            {
                saveDig.Filter = @"文字文件(*.txt)|*.txt";
                saveDig.FileName = this.Text;
                if (saveDig.ShowDialog() == DialogResult.OK)
                {
                    StreamWriter sw = new StreamWriter(saveDig.FileName, false, System.Text.Encoding.Default);
                    sw.Write(this.textBox1.Text);
                    sw.Close();
                }
            }
        }
 
        private void 建立ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.textBox1.Text != "")
            {
                DialogResult d = MessageBox.Show("檔案 " + this.Text + @" 的文字已經改變。
想儲存檔案嗎？", "MyNotePad", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1, MessageBoxOptions.DefaultDesktopOnly);
                switch (d)
                {
                    case DialogResult.Yes:
                         using (SaveFileDialog saveDig = new SaveFileDialog())
                         {
                             saveDig.Filter = @"文字文件(*.txt)|*.txt";
                             saveDig.FileName = "*.txt";
                             if (saveDig.ShowDialog() == DialogResult.OK)
                             {
                                 StreamWriter sw = new StreamWriter(saveDig.FileName, false, System.Text.Encoding.Default);
                                 sw.Write(this.textBox1.Text);
                                 sw.Close();
                                 this.Text = saveDig.FileName;
                             }
                         }
                         break;
                    case DialogResult.No:
                        this.textBox1.Text = "";                        
                        break;
                    case DialogResult.Cancel:
                        break;
 
                    default: System.Diagnostics.Debug.Assert(false);
                        break;
 
                }
               
            }
        }
 
        private void 開啟ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (this.textBox1.Text != "")
            {
                DialogResult d = MessageBox.Show("檔案 " + this.Text + @" 的文字已經改變。
想儲存檔案嗎？", "MyNotePad", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1, MessageBoxOptions.DefaultDesktopOnly);
                switch (d)
                {
                    case DialogResult.Yes:
                        using (SaveFileDialog saveDig = new SaveFileDialog())
                        {
                            saveDig.Filter = @"文字文件(*.txt)|*.txt";
                            saveDig.FileName = "*.txt";
                            if (saveDig.ShowDialog() == DialogResult.OK)
                            {
                                StreamWriter sw = new StreamWriter(saveDig.FileName, false, System.Text.Encoding.Default);
                                sw.Write(this.textBox1.Text);
                                sw.Close();
                                this.Text = saveDig.FileName;
                            }
                        }
                        break;
                    case DialogResult.No:
                        this.textBox1.Text = "";
                        break;
                    case DialogResult.Cancel:
                        break;
 
                    default: System.Diagnostics.Debug.Assert(false);
                        break;
 
                }
            }
            else
            {
                using (OpenFileDialog dlgText = new OpenFileDialog())
                {
                    dlgText.Filter = @"(*.txt)|*.txt";
                    if (dlgText.ShowDialog() == DialogResult.OK)
                    {
                        if (File.Exists(dlgText.FileName))
                        {
                            StreamReader rStream = new StreamReader(dlgText.FileName, System.Text.Encoding.Default);
                            string s=default(string);
                            this.textBox1.Text = "";
                            while ((s = rStream.ReadLine()) != null)
                            {
                                this.textBox1.Text += s;
                            }
                            rStream.Close();
                        }
                    }
                }
            }
        }
 
        private void MyNotePad_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (this.textBox1.Text != "")
            {
                DialogResult d = MessageBox.Show("檔案 " + this.Text + @" 的文字已經改變。
想儲存檔案嗎？", "MyNotePad", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1, MessageBoxOptions.DefaultDesktopOnly);
                switch (d)
                {
                    case DialogResult.Yes:
                        using (SaveFileDialog saveDig = new SaveFileDialog())
                        {
                            saveDig.Filter = @"文字文件(*.txt)|*.txt";
                            saveDig.FileName = "*.txt";
                            if (saveDig.ShowDialog() == DialogResult.OK)
                            {
                                StreamWriter sw = new StreamWriter(saveDig.FileName, false, System.Text.Encoding.Default);
                                sw.Write(this.textBox1.Text);
                                sw.Close();
                                this.Text = saveDig.FileName;
                            }
                        }
                        break;
                    case DialogResult.No:                      
                        break;
                    case DialogResult.Cancel:
                        break;
 
                    default: System.Diagnostics.Debug.Assert(false);
                        break;
 
                }
            }
        }  
 
    }
}

 

其他代碼可以省略吧。。。