C#オペレーティングシステムが空いているかどうかを検出し、システムが空いていることを実現した後、いくつかの操作を行う

     public class CheckComputerFreeState
     {

         /// <summary>

         ///  

        /// </summary>

         [StructLayout(LayoutKind.Sequential)]

         struct LASTINPUTINFO

         {

             /// <summary>

             ///  

            /// </summary>

             [MarshalAs(UnmanagedType.U4)]

             public int cbSize;



            /// <summary>

             ///  

            /// </summary>

             [MarshalAs(UnmanagedType.U4)]

             public uint dwTime;

         }



        [DllImport("user32.dll")]

         private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);

         /// <summary>

         ///  

        /// </summary>

         /// <returns> ， </returns>

         public static long GetLastInputTime()

         {

             LASTINPUTINFO vLastInputInfo = new LASTINPUTINFO();

             vLastInputInfo.cbSize = Marshal.SizeOf(vLastInputInfo);

             if (!GetLastInputInfo(ref vLastInputInfo))

             {

                 return 0;

             }

             else

             {

                 var count = Environment.TickCount - (long)vLastInputInfo.dwTime;

                 var icount = count / 1000;

                 return icount;

             }

         }



    }

       static void Main(string[] args)

        {

            Timer t = null;

            t = new Timer((o) =>

           {

               var result = GetLastInputTime();

               Console.WriteLine(result);

               if (result < 1*60) return;

               if (t == null) return;

               t.Dispose();

               Console.WriteLine(" 1 ！");

           }, null, 1000, 1000);



            Console.ReadLine();

        }