过年了散分（押宝赚了点分和大家分享分享）

Question

大家随便发点比较实用的列子吧!
没有好列子的也进来接分吧！顺便问问怎么用代码动态拷贝一个控件
比如按钮控件 
在Form1中的button1拷贝到Form2（要把button1设置好的属性拷贝过去之外还把button1的事件拷贝过去）
我的等级不够只能先发100分 人多了加多100分

Answer 1

一个Button的实例好像只能被一个窗体所拥有
而且全局怎么搞难道是静态

Answer 2

namespace WindowsApplication1
{
    partial class 文件伪装跟还原
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;
        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
        #region Windows 窗体设计器生成的代码
        /// <summary>
        /// 设计器支持所需的方法 - 不要
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.comboBox1 = new System.Windows.Forms.ComboBox();
            this.AddPassword = new System.Windows.Forms.Button();
            this.button1 = new System.Windows.Forms.Button();
            this.AfoldePath = new System.Windows.Forms.TextBox();
            this.foldeOpen = new System.Windows.Forms.FolderBrowserDialog();
            this.groupBox2 = new System.Windows.Forms.GroupBox();
            this.button2 = new System.Windows.Forms.Button();
            this.button3 = new System.Windows.Forms.Button();
            this.textBox1 = new System.Windows.Forms.TextBox();
            this.groupBox1.SuspendLayout();
            this.groupBox2.SuspendLayout();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.BackColor = System.Drawing.Color.Transparent;
            this.groupBox1.Controls.Add(this.comboBox1);
            this.groupBox1.Controls.Add(this.AddPassword);
            this.groupBox1.Controls.Add(this.button1);
            this.groupBox1.Controls.Add(this.AfoldePath);
            this.groupBox1.Location = new System.Drawing.Point(2, 2);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(190, 94);
            this.groupBox1.TabIndex = 0;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "伪装";
            // 
            // comboBox1
            // 
            this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.comboBox1.Items.AddRange(new object[] {
            "我的电脑",
            "我的文档",
            "拨号网络",
            "控制面板",
            "计划任务",
            "打印机",
            "网络邻居",
            "回收站",
            "公文包",
            "字体 ",
            "Web 文件夹"});
            this.comboBox1.Location = new System.Drawing.Point(12, 44);
            this.comboBox1.Name = "comboBox1";
            this.comboBox1.Size = new System.Drawing.Size(174, 20);
            this.comboBox1.TabIndex = 15;
            // 
            // AddPassword
            // 
            this.AddPassword.BackColor = System.Drawing.Color.Transparent;
            this.AddPassword.Location = new System.Drawing.Point(110, 66);
            this.AddPassword.Name = "AddPassword";
            this.AddPassword.Size = new System.Drawing.Size(75, 23);
            this.AddPassword.TabIndex = 14;
            this.AddPassword.Text = "伪装(&S)";
            this.AddPassword.UseVisualStyleBackColor = false;
            this.AddPassword.Click += new System.EventHandler(this.AddPassword_Click);
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(12, 66);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 8;
            this.button1.Text = "文件夹(&W)";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // AfoldePath
            // 
            this.AfoldePath.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(224)))), ((int)(((byte)(192)))));
            this.AfoldePath.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.AfoldePath.Location = new System.Drawing.Point(12, 16);
            this.AfoldePath.Name = "AfoldePath";
            this.AfoldePath.ReadOnly = true;
            this.AfoldePath.Size = new System.Drawing.Size(174, 21);
            this.AfoldePath.TabIndex = 7;

Answer 3

 // 
            // groupBox2
            // 
            this.groupBox2.BackColor = System.Drawing.Color.Transparent;
            this.groupBox2.Controls.Add(this.button2);
            this.groupBox2.Controls.Add(this.button3);
            this.groupBox2.Controls.Add(this.textBox1);
            this.groupBox2.Location = new System.Drawing.Point(2, 100);
            this.groupBox2.Name = "groupBox2";
            this.groupBox2.Size = new System.Drawing.Size(190, 68);
            this.groupBox2.TabIndex = 1;
            this.groupBox2.TabStop = false;
            this.groupBox2.Text = "还原";
            // 
            // button2
            // 
            this.button2.ForeColor = System.Drawing.Color.Red;
            this.button2.Location = new System.Drawing.Point(110, 40);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(75, 23);
            this.button2.TabIndex = 14;
            this.button2.Text = "还原解密";
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // button3
            // 
            this.button3.ForeColor = System.Drawing.Color.Red;
            this.button3.Location = new System.Drawing.Point(8, 40);
            this.button3.Name = "button3";
            this.button3.Size = new System.Drawing.Size(75, 23);
            this.button3.TabIndex = 8;
            this.button3.Text = "文件夹";
            this.button3.Click += new System.EventHandler(this.button3_Click);
            // 
            // textBox1
            // 
            this.textBox1.BackColor = System.Drawing.Color.White;
            this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.textBox1.Location = new System.Drawing.Point(12, 16);
            this.textBox1.Name = "textBox1";
            this.textBox1.ReadOnly = true;
            this.textBox1.Size = new System.Drawing.Size(174, 21);
            this.textBox1.TabIndex = 7;
            // 
            // 文件伪装跟还原
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(192, 168);
            this.Controls.Add(this.groupBox2);
            this.Controls.Add(this.groupBox1);
            this.Cursor = System.Windows.Forms.Cursors.Hand;
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
            this.MaximizeBox = false;
            this.Name = "文件伪装跟还原";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "BY:孤竹残梦";
            this.Load += new System.EventHandler(this.文件伪装跟还原_Load);
            this.groupBox1.ResumeLayout(false);
            this.groupBox1.PerformLayout();
            this.groupBox2.ResumeLayout(false);
            this.groupBox2.PerformLayout();
            this.ResumeLayout(false);
        }
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.FolderBrowserDialog foldeOpen;
        private System.Windows.Forms.TextBox AfoldePath;
        private System.Windows.Forms.GroupBox groupBox2;
        private System.Windows.Forms.Button button2;
        private System.Windows.Forms.Button button3;
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.Button AddPassword;
        private System.Windows.Forms.ComboBox comboBox1;
        //private System.ComponentModel.IContainer components = null;        #endregion
    }
}
//------结束-----界面控件代码

Answer 4

//--事件代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.IO;
namespace WindowsApplication1
{
    public partial class 文件伪装跟还原 : Form
    {
        public 文件伪装跟还原()
        {
            InitializeComponent();
        }
        private void Form12_Load(object sender, EventArgs e)
        {
        }
        private void button1_Click(object sender, System.EventArgs e)
        {
            if (foldeOpen.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    if (foldeOpen.SelectedPath.Substring(3, 10) == "Documents ")
                    {
                        MessageBox.Show("孤竹残梦提醒：不建议伪装系统文件夹下文件,可能会造成系统出问题", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    else
                    {
                        AfoldePath.Text = foldeOpen.SelectedPath;
                    }
                }
                catch
                {
                    if (foldeOpen.SelectedPath.Length >= 4)
                    {
                        AfoldePath.Text = foldeOpen.SelectedPath;
                    }
                    else
                    {
                        MessageBox.Show("孤竹残梦提醒：不能对盘符进行伪装", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
        }
        private void AddPassword_Click(object sender, System.EventArgs e)
        {
            if (this.AfoldePath.Text == "")
            {
                MessageBox.Show("请选择文件夹路径！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else if (this.comboBox1.Text == "加密类型")
            {
                MessageBox.Show("请选择加密类型！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else
            {
                try
                {
                    ProcessStartInfo p3 = new ProcessStartInfo("attrib.exe", @"-s -r -a -h " + AfoldePath.Text);
                    p3.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p3);
                    ProcessStartInfo p1 = new ProcessStartInfo("attrib.exe", @"-s -r -a -h" + AfoldePath.Text + @"\desktop.ini");
                    p1.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p1);
                    StreamWriter sw2 = new StreamWriter(AfoldePath.Text + @"\desktop.ini");
                    sw2.WriteLine(@"[.ShellClassInfo]");
                    sw2.WriteLine("CLSID=" + GetPasType());
                    sw2.Close();
                    ProcessStartInfo p = new ProcessStartInfo("attrib.exe", @"+s +a +h +r" + AfoldePath.Text + @"\desktop.ini");
                    p.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p);
                    ProcessStartInfo p2 = new ProcessStartInfo("attrib.exe", @"+s +r " + AfoldePath.Text);
                    p2.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p2);
                    MessageBox.Show("孤竹残梦提示：伪装成功！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch
                {
                    MessageBox.Show("孤竹残梦提示：不可多次进行伪装！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        private string GetPasType()
        {
            int index = comboBox1.SelectedIndex;
            switch (index)
            {
                case 0: return @"{20D04FE0-3AEA-1069-A2D8-08002B30309D}";
                case 1: return @"{450D8FBA-AD25-11D0-98A8-0800361B1103}";
                case 2: return @"{992CFFA0-F557-101A-88EC-00DD010CCC48}";
                case 3: return @"{21EC2020-3AEA-1069-A2DD-08002B30309D}";
                case 4: return @"{D6277990-4C6A-11CF-8D87-00AA0060F5BF}";
                case 5: return @"{2227A280-3AEA-1069-A2DE-08002B30309D}";
                //case 6: return @"{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}";
                case 6: return @"{208D2C60-3AEA-1069-A2D7-08002B30309D}";
                case 7: return @"{645FF040-5081-101B-9F08-00AA002F954E}";
                case 8: return @"{85BBD920-42A0-1069-A2E4-08002B30309D}";
                case 9: return @"{BD84B380-8CA2-1069-AB1D-08000948F534}";
                case 10: return @"{BDEADF00-C265-11d0-BCED-00A0C90AB50F}";
            }
            return @"{20D04FE0-3AEA-1069-A2D8-08002B30309D}";
        }
        private void button3_Click(object sender, System.EventArgs e)
        {
            if (foldeOpen.ShowDialog() == DialogResult.OK)
            {
                textBox1.Text = foldeOpen.SelectedPath;
            }
        }

Answer 5

private void button2_Click(object sender, System.EventArgs e)
        {
            if (this.textBox1.Text == "")
            {
                MessageBox.Show("请选择加密文件的路径", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            /// 孤竹残梦
            /// 转载请保留原出处
            // else
            // {
            // MessageBox.Show("未注册，请联系作者以购买正版。","提示信息",MessageBoxButtons.OK,MessageBoxIcon.Error);
            // return;
            // }
            if (this.textBox1.Text == "")
            {
                MessageBox.Show("请选择加密过的文件夹！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else
            {
                try
                {
                    ProcessStartInfo p2 = new ProcessStartInfo("attrib.exe", @"-s -r -a -h " + textBox1.Text);
                    p2.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p2);
                    ProcessStartInfo p1 = new ProcessStartInfo("attrib.exe", @"-s -h -r" + textBox1.Text + @"\desktop.ini");
                    p1.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p1);
                    System.Threading.Thread.Sleep(1000);
                    File.Delete(textBox1.Text + @"\desktop.ini");
                    MessageBox.Show("解密成功,已经还原", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch
                {
                    MessageBox.Show("一次解密就OK啦，请勿多次！");
                }
            }
        }
        private void 文件伪装跟还原_Load(object sender, EventArgs e)
        {
            comboBox1.SelectedIndex = 0;
        }
    }
}

Answer 6

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.IO;
namespace WindowsApplication1
{
    public partial class 文件伪装跟还原 : Form
    {
        public 文件伪装跟还原()
        {
            InitializeComponent();
        }
        private void Form12_Load(object sender, EventArgs e)
        {
        }
        private void button1_Click(object sender, System.EventArgs e)
        {
            if (foldeOpen.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    if (foldeOpen.SelectedPath.Substring(3, 10) == "Documents ")
                    {
                        MessageBox.Show("孤竹残梦提醒：不建议伪装系统文件夹下文件,可能会造成系统出问题", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    else
                    {
                        AfoldePath.Text = foldeOpen.SelectedPath;
                    }
                }
                catch
                {
                    if (foldeOpen.SelectedPath.Length >= 4)
                    {
                        AfoldePath.Text = foldeOpen.SelectedPath;
                    }
                    else
                    {
                        MessageBox.Show("孤竹残梦提醒：不能对盘符进行伪装", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
        }
        private void AddPassword_Click(object sender, System.EventArgs e)
        {
            if (this.AfoldePath.Text == "")
            {
                MessageBox.Show("请选择文件夹路径！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else if (this.comboBox1.Text == "加密类型")
            {
                MessageBox.Show("请选择加密类型！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else
            {
                try
                {
                    ProcessStartInfo p3 = new ProcessStartInfo("attrib.exe", @"-s -r -a -h " + AfoldePath.Text);
                    p3.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p3);
                    ProcessStartInfo p1 = new ProcessStartInfo("attrib.exe", @"-s -r -a -h" + AfoldePath.Text + @"\desktop.ini");
                    p1.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p1);
                    StreamWriter sw2 = new StreamWriter(AfoldePath.Text + @"\desktop.ini");
                    sw2.WriteLine(@"[.ShellClassInfo]");
                    sw2.WriteLine("CLSID=" + GetPasType());
                    sw2.Close();
                    ProcessStartInfo p = new ProcessStartInfo("attrib.exe", @"+s +a +h +r" + AfoldePath.Text + @"\desktop.ini");
                    p.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p);
                    ProcessStartInfo p2 = new ProcessStartInfo("attrib.exe", @"+s +r " + AfoldePath.Text);
                    p2.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                    Process.Start(p2);
                    MessageBox.Show("孤竹残梦提示：伪装成功！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch
                {
                    MessageBox.Show("孤竹残梦提示：不可多次进行伪装！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        private string GetPasType()
        {
            int index = comboBox1.SelectedIndex;
            switch (index)
            {
                case 0: return @"{20D04FE0-3AEA-1069-A2D8-08002B30309D}";
                case 1: return @"{450D8FBA-AD25-11D0-98A8-0800361B1103}";
                case 2: return @"{992CFFA0-F557-101A-88EC-00DD010CCC48}";
                case 3: return @"{21EC2020-3AEA-1069-A2DD-08002B30309D}";
                case 4: return @"{D6277990-4C6A-11CF-8D87-00AA0060F5BF}";
                case 5: return @"{2227A280-3AEA-1069-A2DE-08002B30309D}";
                //case 6: return @"{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}";
                case 6: return @"{208D2C60-3AEA-1069-A2D7-08002B30309D}";
                case 7: return @"{645FF040-5081-101B-9F08-00AA002F954E}";
                case 8: return @"{85BBD920-42A0-1069-A2E4-08002B30309D}";
                case 9: return @"{BD84B380-8CA2-1069-AB1D-08000948F534}";
                case 10: return @"{BDEADF00-C265-11d0-BCED-00A0C90AB50F}";
            }
            return @"{20D04FE0-3AEA-1069-A2D8-08002B30309D}";
        }
        private void button3_Click(object sender, System.EventArgs e)
        {
            if (foldeOpen.ShowDialog() == DialogResult.OK)
            {
                textBox1.Text = foldeOpen.SelectedPath;
            }
        }

Answer 7

一种设计模式——观察者模式using System;
using System.Collections.Generic;
using System.Text;namespace 观察者模式
{
    class Program
    {
        static void Main(string[] args)
        {
            ConcreteSubject s = new ConcreteSubject();            s.Attach(new ConcreteObserver(s, "X"));
            s.Attach(new ConcreteObserver(s, "Y"));
            s.Attach(new ConcreteObserver(s, "Z"));            s.SubjectState = "ABC";
            s.Notify();            Console.Read();        }
    }
    abstract class Subject
    {
        private IList<Observer> observers = new List<Observer>();        //增加观察者
        public void Attach(Observer observer)
        {
            observers.Add(observer);
        }
        //移除观察者
        public void Detach(Observer observer)
        {
            observers.Remove(observer);
        }
        //通知
        public void Notify()
        {
            foreach (Observer o in observers)
            {
                o.Update();
            }
        }
    }    //具体通知者
    class ConcreteSubject : Subject
    {
        private string subjectState;        //具体通知者状态
        public string SubjectState
        {
            get { return subjectState; }
            set { subjectState = value; }
        }
    }
    abstract class Observer
    {
        public abstract void Update();
    }    class ConcreteObserver : Observer
    {
        private string name;
        private string observerState;
        private ConcreteSubject subject;        public ConcreteObserver(
          ConcreteSubject subject, string name)
        {
            this.subject = subject;
            this.name = name;
        }
        //更新
        public override void Update()
        {
            observerState = subject.SubjectState;
            Console.WriteLine("观察者{0}的新状态是{1}",
              name, observerState);
        }        public ConcreteSubject Subject
        {
            get { return subject; }
            set { subject = value; }
        }
    }}