form1.cs

简易文本编辑器 便于书写 适合初学者参考 也可进一步改进

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        public  int xinjian,i;
        public void 新建文件NToolStripMenuItem_Click(object sender, EventArgs e)
        {
            i=0;
            Form2 child = new Form2();
            child.MdiParent = this;
            child.Text = "新建RTF文档---" + ++xinjian;
            child.Show();
        }

        public void 打开OToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form2 child = new Form2();
            i = 1;
            openFileDialog1.FileName = "";
            string file = openFileDialog1.FileName;
            openFileDialog1.Filter = "RTF(*.rtf)|*.rtf";
            openFileDialog1.FilterIndex = 1;
            openFileDialog1.Title = "打开文件";
            openFileDialog1.InitialDirectory = Application.StartupPath;
            openFileDialog1.RestoreDirectory = false;
            openFileDialog1.ShowDialog();
            file = openFileDialog1.FileName;
            if (file != "")
            {
                child.MdiParent = this;
                child.MainMenuStrip.Visible = false;
                child.Show();
                child.Text = file;
                child.richTextBox1.LoadFile(file, RichTextBoxStreamType.RichText);
            }
        }

        private void 水平层叠ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.LayoutMdi(MdiLayout.TileHorizontal);
        }

        private void 垂直平铺ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.LayoutMdi(MdiLayout.TileVertical);
        }

        private void 层叠ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.LayoutMdi(MdiLayout.Cascade);
        }

        private void 关闭所有子窗口ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            foreach (Form childForm in MdiChildren)
            {
                childForm.Close();
            }
        }

        private void menuStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

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

        private void 文件FToolStripMenuItem_Click(object sender, EventArgs e)
        {

        }

        private void 新建NToolStripButton_Click(object sender, EventArgs e)
        {
           新建文件NToolStripMenuItem_Click( sender, e);            
        }

        private void 打开OToolStripButton_Click(object sender, EventArgs e)
        {
            打开OToolStripMenuItem_Click( sender,  e);
        }

    }
}