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

    private void Form1_Load(object sender, EventArgs e)
    {
        label1.Text = getCpu() + GetDiskVolumeSerialNumber();//獲得24位Cpu和硬盤序列號
        string[] strid = new string[24];
        for (int i = 0; i < 24; i++)//把字符賦給數組
        {
            strid[i] = label1.Text.Substring(i, 1);
        }
        label1.Text = "";
        Random rdid = new Random();
        for (int i = 0; i < 24; i++)//從數組隨機抽取24個字符組成新的字符生成機器碼
        {
            label1.Text += strid[rdid.Next(0, 24)];
        }
    }
    //取得設備硬盤的卷標號
    public string GetDiskVolumeSerialNumber()
    {
        ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
        ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"d:\"");
        disk.Get();
        return disk.GetPropertyValue("VolumeSerialNumber").ToString();
    }
    //獲得CPU的序列號
    public string getCpu()
    {
        string strCpu = null;
        ManagementClass myCpu = new ManagementClass("win32_Processor");
        ManagementObjectCollection myCpuConnection = myCpu.GetInstances();
        foreach (ManagementObject myObject in myCpuConnection)
        {
            strCpu = myObject.Properties["Processorid"].Value.ToString();
            break;
        }
        return strCpu;
    }
}

partial class Form1
{
    /// <summary>
    /// 必需的設計器變量。
    /// </summary>
    private System.ComponentModel.IContainer components = null;

    /// <summary>
    /// 清理所有正在使用的資源。
    /// </summary>
    /// <param name="disposing">如果應釋放托管資源，為 true；否則為 false。</param>
    protected override void Dispose(bool disposing)
    {
        if (disposing && (components != null))
        {
            components.Dispose();
        }
        base.Dispose(disposing);
    }

    #region Windows 窗體設計器生成的代碼

    /// <summary>
    /// 設計器支持所需的方法 - 不要
    /// 使用代碼編輯器修改此方法的內容。
    /// </summary>
    private void InitializeComponent()
    {
        this.label1 = new System.Windows.Forms.Label();
        this.label3 = new System.Windows.Forms.Label();
        this.label4 = new System.Windows.Forms.Label();
        this.SuspendLayout();
        // 
        // label1
        // 
        this.label1.AutoSize = true;
        this.label1.Font = new System.Drawing.Font("宋體", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
        this.label1.Location = new System.Drawing.Point(87, 28);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(0, 16);
        this.label1.TabIndex = 6;
        // 
        // label3
        // 
        this.label3.AutoSize = true;
        this.label3.Font = new System.Drawing.Font("宋體", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
        this.label3.Location = new System.Drawing.Point(104, 65);
        this.label3.Name = "label3";
        this.label3.Size = new System.Drawing.Size(0, 16);
        this.label3.TabIndex = 7;
        // 
        // label4
        // 
        this.label4.AutoSize = true;
        this.label4.Location = new System.Drawing.Point(28, 32);
        this.label4.Name = "label4";
        this.label4.Size = new System.Drawing.Size(53, 12);
        this.label4.TabIndex = 8;
        this.label4.Text = "機器碼：";
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.BackColor = System.Drawing.SystemColors.Control;
        this.ClientSize = new System.Drawing.Size(353, 75);
        this.Controls.Add(this.label4);
        this.Controls.Add(this.label3);
        this.Controls.Add(this.label1);
        this.MaximizeBox = false;
        this.MinimizeBox = false;
        this.Name = "Form1";
        this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
        this.Text = "使用硬盤序列號和CPU序列號生成機器碼";
        this.Load += new System.EventHandler(this.Form1_Load);
        this.ResumeLayout(false);
        this.PerformLayout();

    }

    #endregion

    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.Label label3;
    private System.Windows.Forms.Label label4;
}