用C#擷取系統記憶體

原文地址：http://www.cnblogs.com/yohen/articles/833285.html

using System;
using System.Management; //此命名空間需要在
//“解決方案資源管理裡右鍵點擊”引用“，添加引用，在彈出的
//對話方塊中找到System.Management

namespace ConsoleApplication1
{
    /// <summary>
    /// Class1 的摘要說明。
    /// </summary>
    class Class1
    {
        /// <summary>
        /// 應用程式的主進入點。
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            Console.WriteLine("正在計算系統記憶體容量,請稍候.....");
            Console.WriteLine("實際記憶體容量為："+GetPhisicalMemory().ToString());
            Console.ReadLine();
        }
        private static int GetPhisicalMemory()
        {    
            ManagementObjectSearcher searcher = new ManagementObjectSearcher(); //用於查詢一些如系統資訊的管理對象
            searcher.Query = new SelectQuery("Win32_PhysicalMemory","",new string[]{"Capacity"});//設定查詢條件
            ManagementObjectCollection collection = searcher.Get(); //擷取記憶體容量
            ManagementObjectCollection.ManagementObjectEnumerator em = collection.GetEnumerator();
            
            int capacity = 0;
            while(em.MoveNext())
            {
                ManagementBaseObject baseObj = em.Current;
                if(baseObj.Properties["Capacity"].Value != null)
                {
                    try
                    {
                        capacity += int.Parse(baseObj.Properties["Capacity"].Value.ToString());
                    }
                    catch
                    {
                        Console.WriteLine("有錯誤發生！","錯誤資訊");
                        return 0;
                    }
                }
            }
            return capacity;
        }    
    }
}