winform记事本(基本功能)

本题主要考察各种控件的应用

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

        private void richTextBox1_TextChanged(object sender, EventArgs e)
        {
            toolStripStatusLabel1.Text = "当前已编辑" + richTextBox1.Text.Length + "个字。";
        }

        private void 打开OToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "文本文件|*.txt";
            DialogResult dr = openFileDialog1.ShowDialog();
            if (dr == DialogResult.OK)
            {
                FileName = openFileDialog1.FileName;
                this.Text=openFileDialog1.SafeFileName+"—FUCK牌记事本";
                StreamReader sr = new StreamReader(openFileDialog1.FileName,System.Text.Encoding.Default);
                richTextBox1.Text = sr.ReadToEnd();
                sr.Close();
            }
        }

        private string FileName;
        private void 另存为AToolStripMenuItem_Click(object sender, EventArgs e)
        {
            saveFileDialog1.Filter = "文本文件|*.txt|Word文档|*.doc";
            saveFileDialog1.FileName = "新建文本文档";
            DialogResult dr = saveFileDialog1.ShowDialog();
            if (dr == DialogResult.OK)
            {
                StreamWriter sw = new StreamWriter(saveFileDialog1.FileName);
                sw.Write(richTextBox1.Text);
                sw.Flush();
            }
        }

        private void 保存SToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (FileName != "")
            {
                StreamWriter sw = new StreamWriter(FileName);
                sw.Write(richTextBox1.Text);
                sw.Flush();
            }
            else
            {
                另存为AToolStripMenuItem_Click(另存为AToolStripMenuItem, null);
            }
        }

        private void 退出XToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            Font f = new Font("微软雅黑",16);
            Brush b =new SolidBrush(Color.Black);
            e.Graphics.DrawString(richTextBox1.Text,f,b,30,40);
        }

        private void 页面设置ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            pageSetupDialog1.Document = printDocument1;
            pageSetupDialog1.ShowDialog();
        }

        private void 打印预览VToolStripMenuItem_Click(object sender, EventArgs e)
        {
            printPreviewDialog1.Document = printDocument1;
            printPreviewDialog1.ShowDialog();
        }

        private void 打印PToolStripMenuItem_Click(object sender, EventArgs e)
        {
            printDialog1.Document = printDocument1;
            DialogResult dr = printDialog1.ShowDialog();
            if (dr == DialogResult.OK)
            {
                printDocument1.Print();
            }
        }

        private void 剪切TToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Cut();
        }

        private void 复制CToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Copy();
        }

        private void 粘贴PToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Paste();
        }

        private void 撤消UToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.Undo();
        }

        private void 全选AToolStripMenuItem_Click(object sender, EventArgs e)
        {
            richTextBox1.SelectAll();
        }

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

        private void 字体ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (richTextBox1.SelectedText != "")
            {
                DialogResult dr = fontDialog1.ShowDialog();
                if (dr == DialogResult.OK)
                {
                    richTextBox1.SelectionFont = fontDialog1.Font;
                    richTextBox1.SelectionColor = fontDialog1.Color;
                }
            }
            else
            {
                DialogResult dr = fontDialog1.ShowDialog();
                if (dr == DialogResult.OK)
                {
                    richTextBox1.Font = fontDialog1.Font;
                    richTextBox1.ForeColor = fontDialog1.Color;
                }
            }
        }
    }
}

设计界面