C#-获取磁盘，cpu,内存信息

获取磁盘信息zongdaxiao = GetHardDiskSpace("C") * 1.0 / 1024; user = GetHardDiskFreeSpace("C") * 1.0 / 1024;/// /// 获取指定驱动器的空间总大小(单位为B) /// /// 只需输入代表驱动器的字母即可 （大写） /// public long GetHardDiskSpace(string str_HardDiskName) {long totalSize = new long();str_HardDiskName = str_HardDiskName + ":\\";System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();foreach (System.IO.DriveInfo drive in drives){if (drive.Name == str_HardDiskName){totalSize = drive.TotalSize / (1024 * 1024);}}return totalSize; }/// /// 获取指定驱动器的剩余空间总大小(单位为B) /// /// 只需输入代表驱动器的字母即可 /// public long GetHardDiskFreeSpace(string str_HardDiskName) {long freeSpace = new long();str_HardDiskName = str_HardDiskName + ":\\";System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();foreach (System.IO.DriveInfo drive in drives){if (drive.Name == str_HardDiskName){freeSpace = drive.TotalFreeSpace / (1024 * 1024);}}return freeSpace; }***************************************************** 获取总内存（运行） zongneicun = GetMemoryStatus();[StructLayout(LayoutKind.Sequential)]public struct MEMORY_INFO{public uint dwLength;public uint dwMemoryLoad;public uint dwTotalPhys;public uint dwAvailPhys;public uint dwTotalPageFile;public uint dwAvailPageFile;public uint dwTotalVirtual;public uint dwAvailVirtual;}[DllImport("kernel32")]public static extern void GlobalMemoryStatus(ref MEMORY_INFO meminfo);MEMORY_INFO MemInfo = new MEMORY_INFO();private long GetMemoryStatus(){GlobalMemoryStatus(ref MemInfo);long totalMb = Convert.ToInt64(MemInfo.dwTotalPhys.ToString()) / 1024 / 1024;//long avaliableMb = Convert.ToInt64(MemInfo.dwAvailPhys.ToString()) / 1024 / 1024;return totalMb; //MessageBox.Show("物理内存共有" + totalMb.ToString () + " MB" + "可使用的物理内存有" + avaliableMb.ToString () + " MB");//Console.WriteLine("物理内存共有" + totalMb + " MB");//Console.WriteLine("可使用的物理内存有" + avaliableMb + " MB"); }******************************************************//获得pro使用内存 public int pnc() {Process[] pro = Process.GetProcesses();double total = 0;Process temp;int i;for (i = 0; i < pro.Length; i++){temp = pro[i];total = temp.PrivateMemorySize + total;}return (int)(total / 1024 / 1024); } *******************************************************获取cpu使用率 PerformanceCounter PC = new PerformanceCounter("Processor", "% Processor Time", "_Total"); label1.Text = "Cpu： " + Convert.ToInt32(PC.NextValue()) + "%";************************************************************* 获取系统运行时间 label4.Text = "System Runtime: " + (Environment.TickCount / 60000).ToString();
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