武汉理工大学C#实验4源代码_窗体和控件综合设计_多文档编辑器

这是武汉理工大学计算机学院可视化编程（C#）课程的第四次实验：窗体和控件综合设计 的源代码。运行环境：VS2017。

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

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        int findPosition = 0;
        string s_filename = ““;
        //bool bsave = false;
        

        public Form1（）
        {
            
            InitializeComponent（）;
            IsMdiContainer = true;
            menuStrip1.MdiWindowListItem.Name = menuStrip1.Name;
        }

        private void Form1_Load（object sender EventArgs e）
        {

        }
        private void Form1_FormClosing（object sender FormClosingEventArgs e）
        {
            if （!ifsaveoldfile（）） e.Cancel = true;
        }

        private void numericUpDown1_ValueChanged（object sender EventArgs e）
        {

        }

        private void ddToolStripMenuItem_Click（object sender EventArgs e）
        {

        }

        private void 剪切ToolStripMenuItem_Click（object sender EventArgs e）
        {
            FormChild formChild = （FormChild）this.ActiveMdiChild;
            formChild.richTextBox1.Cut（）;
        }

        private void 复制ToolStripMenuItem_Click（object sender EventArgs e）
        {
            FormChild formChild = （FormChild）this.ActiveMdiChild;
            formChild.richTextBox1.Copy（）;
        }

        private void 粘贴ToolStripMenuItem_Click（object sender EventArgs e）
        {
            FormChild formChild = （FormChild）this.ActiveMdiChild;
            formChild.richTextBox1.Paste（）;
        }
        
        public bool ifsaveoldfile（）
        {
            FormChild formChild = （FormChild）this.ActiveMdiChild;
            bool returnvalue = true;
            if （formChild.bsave）
            {
                System.Windows.Forms.DialogResult dr;
                dr = MessageBox.Show（this “要保存当前更改吗?““保存更改吗?“MessageBoxButtons.YesNoCancelMessageBoxIcon.Question）;
                switch （dr）
                {
                    case System.Windows.Forms.DialogResult.Yes:
                        formChild.bsave = false;
                        if （s_filename.Length != 0） formChild.richTextBox1.SaveFile（s_filename RichTextBoxStreamType.PlainText）;
                        else
                        {
                            SaveFileDialog saveFiledia1 = new SaveFileDialog（）;
                            if （saveFileDialog1.ShowDialog（） == DialogResult.OK）
                            {
                                s_filename = saveFileDialog1.FileName;
                                formChild.richTextBox1.SaveFile（s_filename RichTextBoxStreamType.PlainText）;
                            }
                        }
                        returnvalue = true;
                        break;
                    case System.Windows.Forms.DialogRes

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-05-14 09:10  WindowsFormsApplication2\
     目录           0  2018-05-14 09:10  WindowsFormsApplication2\.vs\
     目录           0  2018-05-14 09:10  WindowsFormsApplication2\.vs\WindowsFormsApplication2\
     目录           0  2018-05-14 09:11  WindowsFormsApplication2\.vs\WindowsFormsApplication2\v14\
     文件       37376  2018-05-14 16:46  WindowsFormsApplication2\.vs\WindowsFormsApplication2\v14\.suo
     目录           0  2018-05-14 16:32  WindowsFormsApplication2\WindowsFormsApplication2\
     文件         189  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\App.config
     文件       16767  2018-05-14 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Form1.Designer.cs
     文件        8807  2018-05-14 16:30  WindowsFormsApplication2\WindowsFormsApplication2\Form1.cs
     文件        6824  2018-05-14 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Form1.resx
     文件        2223  2018-05-14 15:49  WindowsFormsApplication2\WindowsFormsApplication2\FormChild.Designer.cs
     文件         712  2018-05-14 16:32  WindowsFormsApplication2\WindowsFormsApplication2\FormChild.cs
     文件        5817  2018-05-14 15:49  WindowsFormsApplication2\WindowsFormsApplication2\FormChild.resx
     文件         547  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\Program.cs
     目录           0  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\Properties\
     文件        1490  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\Properties\AssemblyInfo.cs
     文件        2878  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Resources.Designer.cs
     文件        5612  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Resources.resx
     文件        1111  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Settings.Designer.cs
     文件         249  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Settings.settings
     文件        4624  2018-05-14 15:17  WindowsFormsApplication2\WindowsFormsApplication2\WindowsFormsApplication2.csproj
     目录           0  2018-05-14 14:34  WindowsFormsApplication2\WindowsFormsApplication2\bin\
     目录           0  2018-05-14 09:20  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\
     文件       19968  2018-05-14 16:32  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe
     文件         189  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe.config
     文件       40448  2018-05-14 16:32  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.pdb
     文件       22696  2018-05-14 09:11  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe
     文件         189  2018-05-14 09:10  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.config
     文件         490  2017-09-29 21:43  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.manifest
     文件       40448  2018-05-14 16:32  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.pdb
     文件        5194  2018-05-14 14:55  WindowsFormsApplication2\WindowsFormsApplication2\formFindReplace.Designer.cs
............此处省略20个文件信息