Communicating between C# threads

There are many mehtods. One simple method is to define a volatile member, then you can access it from any thread.

example:

volatile bool bSayHello;

void MainThread()
{
   // This code executes on the Main thread
   while(true)
   {
      if(bSayHello)
      {
         Console.WriteLine("Hello World!");
         bSayHello=false;
      }
      Thread.Sleep(1000);
   }
}

void WorkerThread()
{
   // This code executes on the worker thread
   while(true)
   {
      // Request the main thread to Say Hello every 5 seconds.
      Thread.Sleep(5000);
      bSayHello=true;
   }   
}

The worker thread will request the main thread to type "Hello World" every 5 seconds.

Hope this helps