Libs/SystemInfo.cs

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using SocketsViewer.Model;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Management;
using System.Runtime.InteropServices;
using System.Text;

namespace SocketsViewer.Libs
{
    ///  
    /// 系统信息类 - 获取CPU、内存、磁盘、进程信息 
    ///  
    public class SystemInfo
    {

        ManagementObjectSearcher _cpuTimeSearch = new ManagementObjectSearcher("select * from Win32_PerfFormattedData_PerfOS_Processor");

        private int m_ProcessorCount = 0;   //CPU个数 
        private long m_PhysicalMemory = 0;   //物理内存 

        private const int GW_HWNDFIRST = 0;
        private const int GW_HWNDNEXT = 2;
        private const int GWL_STYLE = (-16);
        private const int WS_VISIBLE = 268435456;
        private const int WS_BORDER = 8388608;

        #region AIP声明 
        [DllImport("IpHlpApi.dll")]
        extern static public uint GetIfTable(byte[] pIfTable, ref uint pdwSize, bool bOrder);

        [DllImport("User32")]
        private extern static int GetWindow(int hWnd, int wCmd);

        [DllImport("User32")]
        private extern static int GetWindowLongA(int hWnd, int wIndx);

        [DllImport("user32.dll")]
        private static extern bool GetWindowText(int hWnd, StringBuilder title, int maxBufSize);

        [DllImport("user32", CharSet = CharSet.Auto)]
        private extern static int GetWindowTextLength(IntPtr hWnd);
        #endregion

        #region 构造函数 
        ///  
        /// 构造函数，初始化计数器等 
        ///  
        public SystemInfo()
        {
            //CPU个数 
            m_ProcessorCount = Environment.ProcessorCount;

            //获得物理内存 
            ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
            ManagementObjectCollection moc = mc.GetInstances();
            foreach (ManagementObject mo in moc)
            {