C# 提供了ManagementClass类来获取本机的一些基本信息，比如CPU的个数，CPU的频率，网卡的MAC，内存的大小，硬盘的大小等。
获取本机MAC地址：
/// summary /// 获取本机的MAC地址 /// /summary /// returns /returns public static string GetMACString() ManagementClass mAdapter = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection mo = mAdapter.GetInstances(); foreach (ManagementBaseObject m in mo) if ((bool)m["IpEnabled"] == true) return m["MacAddress"].ToString(); mo.Dispose(); return null;获取本机CPU的个数：/// summary /// 获取CPU的个数 /// /summary /// returns /returns public static int GetCpuCount() using (ManagementClass mCpu = new ManagementClass("Win32_Processor")) ManagementObjectCollection cpus = mCpu.GetInstances(); return cpus.Count; catch return -1;获取本机CPU的频率/// summary /// 获取CPU的频率 这里之所以使用string类型的数组，主要是因为cpu的多核 /// /summary /// returns /returns public static string[] GetCpuMHZ() ManagementClass mc = new ManagementClass("Win32_Processor"); ManagementObjectCollection cpus = mc.GetInstances(); string[] mHz = new string[cpus.Count]; int c = 0; ManagementObjectSearcher mySearch = new ManagementObjectSearcher("select * from Win32_Processor"); foreach (ManagementObject mo in mySearch.Get()) mHz[c] = mo.Properties["CurrentClockSpeed"].Value.ToString(); c++; mc.Dispose(); mySearch.Dispose(); return mHz;获取本机硬盘的大小/// summary /// 获取硬盘的大小 /// /summary /// returns /returns public static string GetSizeOfDisk() ManagementClass mc = new ManagementClass("Win32_DiskDrive"); ManagementObjectCollection moj = mc.GetInstances(); foreach (ManagementObject m in moj) return m.Properties["Size"].Value.ToString(); return "-1";
ManagementClass mc = new ManagementClass("Win32_OperatingSystem"); ManagementObjectCollection moc = mc.GetInstances(); double sizeAll = 0.0; foreach (ManagementObject m in moc) if (m.Properties["TotalVisibleMemorySize"].Value != null) sizeAll += Convert.ToDouble(m.Properties["TotalVisibleMemorySize"].Value.ToString()); mc = null; moc.Dispose(); return sizeAll.ToString(); }本程序是使用VS2005编写的，可运行。
ManageMentClass 对象被实例化时，根据初始化参数的不同能够获取不同的本地信息："Win32_NetworkAdapterConfiguration" 获取本机网络适配器对象。据此可以获取网络地址等。"Win32_DiskDiver" 获取本机硬盘的相关信息，"Win32_Processor" 获取本机CPU相关的信息。"Win32_OperatingSystem" 获取内存等相关信息。