Introduction to ACF (Another C++ Framework)

// This is the main project file for VC++ application project 
// generated using an Application Wizard.

#include "stdafx.h"

using namespace Acf;
using namespace Acf::Threading;

class StatusChecker : public Object
{
    int _invokeCount, _maxCount;

public:
    StatusChecker(int count)
    {
        this->_invokeCount = 0;
        this->_maxCount = count;
    }

    // This method is called by the timer delegate.
    void CheckStatus(Object* stateInfo)
    {
        AutoResetEvent* autoEvent = (AutoResetEvent*)stateInfo;

        Console::WriteLine(L"{0} Checking status {1, 2}.", 
            DateTime::get_Now().ToString(L"h:mm:ss.fff"), 
            str(++this->_invokeCount));

        if (this->_invokeCount == this->_maxCount)
        {
            // Reset the counter and signal Main.
            this->_invokeCount = 0;
            autoEvent->Set();
        }
    }
};

typedef RefPtr<StatusChecker>    StatusCheckerPtr;


int _tmain()
{
    AutoResetEventPtr autoEvent = new AutoResetEvent(false);
    StatusCheckerPtr statusChecker = new StatusChecker(10);

    // Create the delegate that invokes methods for the timer.
    TimerCallbackPtr timerDelegate = 
        new TimerCallback(statusChecker, &StatusChecker::CheckStatus);

    // Create a timer that signals the delegate to invoke 
    // CheckStatus after one second, and every 1/4 second 
    // thereafter.
    Console::WriteLine(L"{0} Creating timer.\n", 
        DateTime::get_Now().ToString(L"h:mm:ss.fff"));
    TimerPtr stateTimer = 
            new Timer(timerDelegate, autoEvent, 1000, 250);

    // When autoEvent signals, change the period to every 
    // 1/2 second.
    autoEvent->WaitOne(5000);
    stateTimer->Change(0, 500);
    Console::WriteLine(L"\nChanging period.\n");

    // When autoEvent signals the second time, dispose of 
    // the timer.
    autoEvent->WaitOne(5000);
    stateTimer->Dispose();
    Console::WriteLine(L"\nDestroying timer.");
}