Timer Constructor

#using <system.dll>

using namespace System;
using namespace System::Timers;

public ref class Timer1
{
private: 
   static System::Timers::Timer^ aTimer;

public:
   static void Demo()
   {
      // Normally, the timer is declared at the class level, 
      // so that it stays in scope as long as it is needed. 
      // If the timer is declared in a long-running method,   
      // KeepAlive must be used to prevent the JIT compiler  
      // from allowing aggressive garbage collection to occur  
      // before the method ends. You can experiment with this 
      // by commenting out the class-level declaration and  
      // uncommenting the declaration below; then uncomment 
      // the GC::KeepAlive(aTimer) at the end of the method. 
      //System::Timers::Timer^ aTimer; 

      // Create a new Timer with Interval set to 10 seconds.
      aTimer = gcnew System::Timers::Timer( 10000 );

      // Hook up the Elapsed event for the timer.
      aTimer->Elapsed += gcnew ElapsedEventHandler( Timer1::OnTimedEvent );

      // Set the Interval to 2 seconds (2000 milliseconds).
      aTimer->Interval = 2000;
      aTimer->Enabled = true;

      Console::WriteLine("Press the Enter key to exit the program.");
      Console::ReadLine();

      // If the timer is declared in a long-running method, use 
      // KeepAlive to prevent garbage collection from occurring 
      // before the method ends. 
      //GC::KeepAlive(aTimer);
   }


private:
   // Specify what you want to happen when the Elapsed event is  
   // raised. 
   static void OnTimedEvent( Object^ source, ElapsedEventArgs^ e )
   {
      Console::WriteLine( "The Elapsed event was raised at {0}", e->SignalTime );
   }

};

int main()
{
   Timer1::Demo();
}

/* This code example produces output similar to the following:

Press the Enter key to exit the program.
The Elapsed event was raised at 5/20/2007 8:42:27 PM
The Elapsed event was raised at 5/20/2007 8:42:29 PM
The Elapsed event was raised at 5/20/2007 8:42:31 PM
...
 */