Thread----WaitHandle abstract base class (wait handle)

Example:

Using system;using system.collections.generic;using system.linq;using system.text;using  System.Threading.Tasks;using System.Threading;namespace ConsoleApplication6{     class Program    {        private  Delegate int asyctaskdelegate (INT I, INT J);         static void main (String[] args)         {             AsycTaskDelegate std =  asyctask;            iasyncresult sr =  std. BeginInvoke (1, 1000, null, null);             //set the wait time to 2 seconds, if the task is completed within 3 seconds, perform the following method              if  (Sr. Asyncwaithandle.waitone (+))             {                 console.writeline (" Received signal ");            }             else             {                 Console.WriteLine ("Signal loss");            }             console.writeline (Std. EndInvoke (SR));             console.readkey ();         }        private  Static int asyctask (int i,  int j)         {             console.writeline ("Please wait ...");             thread.sleep (j);             return ++i;        }    }}

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Thread----WaitHandle abstract base class (wait handle)