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C#调用windows api关机(关机api)示例代码分享

  • 时间:2021-04-24 14:18 编辑: 来源: 阅读:
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摘要:C#调用windows api关机(关机api)示例代码分享
[u]复制代码[/u] 代码如下:
using System; using System.Runtime.InteropServices; class shoutdown{   [StructLayout(LayoutKind.Sequential, Pack=1)]   internal struct TokPriv1Luid   {   public int Count;   public long Luid;   public int Attr;   }   [DllImport("kernel32.dll", ExactSpelling=true) ]   internal static extern IntPtr GetCurrentProcess();   [DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ]   internal static extern bool OpenProcessToken( IntPtr h, int acc, ref IntPtr phtok );   [DllImport("advapi32.dll", SetLastError=true) ]   internal static extern bool LookupPrivilegeValue( string host, string name, ref long pluid );   [DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ]   internal static extern bool AdjustTokenPrivileges( IntPtr htok, bool disall,   ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen );   [DllImport("user32.dll", ExactSpelling=true, SetLastError=true) ]   internal static extern bool ExitWindowsEx( int flg, int rea );   internal const int SE_PRIVILEGE_ENABLED = 0x00000002;   internal const int TOKEN_QUERY = 0x00000008;   internal const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;   internal const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";   internal const int EWX_LOGOFF = 0x00000000;   internal const int EWX_SHUTDOWN = 0x00000001;   internal const int EWX_REBOOT = 0x00000002;   internal const int EWX_FORCE = 0x00000004;   internal const int EWX_POWEROFF = 0x00000008;   internal const int EWX_FORCEIFHUNG = 0x00000010;   private static void DoExitWin(int flg)   {   bool ok;   TokPriv1Luid tp;   IntPtr hproc = GetCurrentProcess();   IntPtr htok = IntPtr.Zero;   ok = OpenProcessToken( hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok );   tp.Count = 1;   tp.Luid = 0;   tp.Attr = SE_PRIVILEGE_ENABLED;   ok = LookupPrivilegeValue( null, SE_SHUTDOWN_NAME, ref tp.Luid );   ok = AdjustTokenPrivileges( htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero );   ok = ExitWindowsEx( flg, 0 );   }   public static void Main()   {   Console.WriteLine("正在关闭计算机……");   // 修改 EWX_SHUTDOWN 或者 EWX_LOGOFF, EWX_REBOOT等实现不同得功能。   // 在XP下可以看到帮助信息,以得到不同得参数   // SHUTDOWN /?   DoExitWin(EWX_SHUTDOWN);   } }
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