获取系统安装日期和启动时间

【核心代码】

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Management;
namespace System
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Button button2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (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.button1 = new System.Windows.Forms.Button();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.label1 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.button2 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(40, 120);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(120, 23);
			this.button1.TabIndex = 0;
			this.button1.Text = "获取日期信息";
			this.button1.Click  = new System.EventHandler(this.button1_Click);
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.textBox2);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.textBox1);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Location = new System.Drawing.Point(16, 16);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(312, 96);
			this.groupBox1.TabIndex = 1;
			this.groupBox1.TabStop = false;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(104, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "系统的安装日期：";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(112, 24);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(184, 21);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 64);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(104, 16);
			this.label2.TabIndex = 2;
			this.label2.Text = "系统的启动时间：";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(112, 56);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(184, 21);
			this.textBox2.TabIndex = 3;
			this.textBox2.Text = "";
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(184, 120);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(120, 23);
			this.button2.TabIndex = 2;
			this.button2.Text = "关闭应用程序";
			this.button2.Click  = new System.EventHandler(this.button2_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(344, 158);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.button1);
			this.MaximizeBox = false;
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "演示获取系统的安装日期和启动日期";
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{//获取系统日期信息
			System.Management.ObjectQuery MyQuery = new System.Management.ObjectQuery("SELECT * FROM Win32_OperatingSystem");
			//System.Management.ObjectQuery MyQuery = new System.Management.ObjectQuery("SELECT * FROM Win32_ComputerSystem");
			System.Management.ManagementScope MyScope = new System.Management.ManagementScope();
			ManagementObjectSearcher MySearch = new ManagementObjectSearcher(MyScope,MyQuery);
			ManagementObjectCollection MyCollection = MySearch.Get();
			string StrInfo="";		
			foreach( ManagementObject MyObject in MyCollection ) 
			{
				//显示系统基本信息
				StrInfo=MyObject.GetText(TextFormat.Mof);		
				string[] MyString={""};
				//重新启动计算机
				//MyObject.InvokeMethod("Reboot",MyString);								
				//关闭计算机
				//MyObject.InvokeMethod("Shutdown",MyString);				
			}
			string InstallDate=StrInfo.Substring(StrInfo.LastIndexOf("InstallDate") 15,14);
			string LastBootUpTime=StrInfo.Substring(StrInfo.LastIndexOf("LastBootUpTime") 18,14);
			this.textBox1.Text=InstallDate;
			this.textBox2.Text=LastBootUpTime;
		}

		private void button2_Click(object sender, System.EventArgs e)
		{//关闭计算机
			this.Close();
		}
		
	}
}