实例介绍
【实例截图】
【核心代码】
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 记事本
{
public partial class Form1 : Form
{
string name = "";
public Form1()
{
InitializeComponent();
}
private void mnufile_new_Click(object sender, EventArgs e)
{
if (richTextBox1.Modified == true) //如果文本框内容修改则返回真判断是否保存
{
if (MessageBox.Show("内容已修改，是否保存？", "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
mnufile_save_Click(sender, e);
else richTextBox1.Clear();
}
else richTextBox1.Clear();
}
//否则执行清除文本框功能。
private void mnufile_open_Click(object sender, EventArgs e)//打开txt文件
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "文本文档(*.txt)|*.txt";
dialog.FilterIndex = 1;
if (dialog.ShowDialog() == DialogResult.OK && dialog.FileName != "")
{
name = dialog.FileName;
richTextBox1.LoadFile(name, RichTextBoxStreamType.PlainText);
richTextBox1.Modified = false;
}
}
private void mnufile_save_Click(object sender, EventArgs e)
{
if (name == "")
{
mnufile_saveas_Click(sender, e);
}
else
{
richTextBox1.SaveFile(name, RichTextBoxStreamType.PlainText);
richTextBox1.Modified = false;
}
}
private void mnufile_saveas_Click(object sender, EventArgs e)
{
SaveFileDialog dialog = new SaveFileDialog();
dialog.Filter = "文本文档(*.txt)|*.txt";
dialog.FilterIndex = 1;
if (dialog.ShowDialog() == DialogResult.OK && dialog.FileName != "")
{
name = dialog.FileName;
richTextBox1.SaveFile(name, RichTextBoxStreamType.PlainText);
richTextBox1.Modified = false;
}
}
private void mnufile_exit_Click(object sender, EventArgs e)
{
this.Close();
}
private void 编辑ToolStripMenuItem_MouseEnter(object sender, EventArgs e)
{ if(richTextBox1.Modified==true)
mnufile_undo.Enabled = true;
else mnufile_undo.Enabled=false;
if (richTextBox1.SelectionLength > 0){
mnufile_copy.Enabled = true;
mnufile_cut.Enabled=true;
} else{
mnufile_copy.Enabled = false;
mnufile_cut.Enabled=false;
}
}
private void mnufile_undo_Click(object sender, EventArgs e)
{
richTextBox1.Undo();}//撤销功能
private void mnufile_copy_Click(object sender, EventArgs e)
{
richTextBox1.Copy();
}//复制功能
private void mnufile_cut_Click(object sender, EventArgs e)
{
richTextBox1.Cut();
}//剪贴功能
private void mnufile_paste_Click(object sender, EventArgs e)
{
richTextBox1.Paste();
}//粘贴功能
private void mnufile_clear_Click(object sender, EventArgs e)
{
richTextBox1.Clear();
}//删除功能
private void mnufile_tool_Click(object sender, EventArgs e)
{
if (mnufile_tool.Checked == true)
{
mnufile_tool.Checked = false;
toolStrip1.Visible= false;
}
else {
mnufile_tool.Checked = true;
toolStrip1.Visible = true;}}
private void mnufile_stat_Click(object sender, EventArgs e)
{
if (mnufile_stat.Checked == true)
{ mnufile_stat.Checked = false;
statu1.Visible = false;
statu2.Visible = false;
}
else
{ mnufile_stat.Checked = true;
statu1.Visible = true;
statu2.Visible = true;
}}
private void timer1_Tick(object sender, EventArgs e)
{
statu2.Text = DateTime.Now.ToLongTimeString();
}
private void 新建NToolStripButton_Click(object sender, EventArgs e)
{
mnufile_new_Click(sender, e);
}
private void 打开OToolStripButton_Click(object sender, EventArgs e)
{
mnufile_open_Click(sender, e);
}
private void 保存SToolStripButton_Click(object sender, EventArgs e)
{
mnufile_save_Click(sender, e);
}
private void 复制CToolStripButton_Click(object sender, EventArgs e)
{
mnufile_copy_Click(sender, e);
}
private void 剪切UToolStripButton_Click(object sender, EventArgs e)
{
mnufile_cut_Click(sender, e);
}
private void 粘贴PToolStripButton_Click(object sender, EventArgs e)
{
mnufile_paste_Click(sender, e);
}
private void mnufile_font_Click(object sender, EventArgs e)
{
FontDialog font = new FontDialog();
if (font.ShowDialog() == DialogResult.OK)
richTextBox1.Font = font.Font;
}
private void mnufile_wordwrap_Click(object sender, EventArgs e)
{
if (mnufile_wordwrap.Checked == true)
{
mnufile_wordwrap.Checked = false;
richTextBox1.WordWrap = false;
}
else {
mnufile_wordwrap.Checked = true;
richTextBox1.WordWrap = true;}
}
private void mnufile_color_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
ColorDialog color = new ColorDialog();
if (color.ShowDialog() == DialogResult.OK)
richTextBox1.ForeColor = color.Color;
}
private void mnufile_accordcolor_Click(object sender, EventArgs e)
{
if (mnufile_accordcolor.Checked == true)
{
mnufile_accordcolor.Checked = false;
timer2.Enabled = false;
timer3.Enabled = false;
timer4.Enabled = false;
timer5.Enabled = false;
timer6.Enabled = false;
timer7.Enabled = false;
timer7.Enabled = false;
}
else
{
mnufile_accordcolor.Checked = true;
timer2.Enabled = true;
}
}
private void timer2_Tick(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Red;
timer2.Enabled = false;
timer3.Enabled = true;
}
private void timer3_Tick(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Orange;
timer3.Enabled = false;
timer4.Enabled = true;
}
private void timer4_Tick(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Yellow;
timer4.Enabled = false;
timer5.Enabled = true;
}
private void timer5_Tick(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Green;
timer5.Enabled = false;
timer6.Enabled = true;
}
private void timer6_Tick(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Navy;
timer6.Enabled = false;
timer7.Enabled = true;
}
private void timer7_Tick(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Blue;
timer7.Enabled = false;
timer8.Enabled = true;
}
private void timer8_Tick(object sender, EventArgs e)
{
richTextBox1.ForeColor = Color.Purple;
timer8.Enabled = false;
timer2.Enabled = true;
}
private void Form1_Load(object sender, EventArgs e)
{
mnufile_tool.Checked = toolStrip1.Visible;
mnufile_stat.Checked = statu1.Visible && statu2.Visible;
mnufile_wordwrap.Checked = richTextBox1.WordWrap;
mnufile_accordcolor.Checked = false;
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (richTextBox1.Modified == true)
{
if (MessageBox.Show("文件没有保存，是否退出", "警告", MessageBoxButtons.OKCancel) == DialogResult.OK)
e.Cancel = false;
else
{
mnufile_saveas_Click(sender, e);
e.Cancel = true;
}
}
}
private void richTextBox1_TextChanged_1(object sender, EventArgs e)
{
}
private void 复制ToolStripMenuItem1_Click(object sender, EventArgs e)
{
richTextBox1.Copy();
}
private void 粘贴ToolStripMenuItem1_Click(object sender, EventArgs e)
{
richTextBox1.Paste();
}
private void 剪切ToolStripMenuItem1_Click(object sender, EventArgs e)
{
richTextBox1.Cut();
}
private void 退出ToolStripMenuItem1_Click(object sender, EventArgs e)
{
this.Close();
}
private void 编辑ToolStripMenuItem_Click(object sender, EventArgs e)
{
}
}
}
标签： 记事本
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