C++ (Qt)
#include "Timer.h"
 
Timer::Timer( int interval )
: m_interval( interval )
, m_start_flag()
{
 
}
 
Timer::~Timer()
{
}
 
void Timer::run()
{
	QTimer timer;
	connect(&timer, SIGNAL(timeout()), this, SIGNAL(sg_TimOut()));
	connect( this, SIGNAL(timerStarted(int)), &timer, SLOT(start(int)));
	connect( this, SIGNAL(timerStoped()), &timer, SLOT(stop()));
	if ( m_start_flag )
		timer.start( m_interval );
	exec();
}
 
void Timer::start( int interval )
{
	m_interval = interval;
	m_start_flag = true;
	emit timerStarted( interval );
}
 
void Timer::stop()
{
	m_start_flag = false;
	emit timerStoped();
}
 

C++ (Qt)
MainForm::MainForm():
{
        //...
	m_tmr = new Timer(); //класс поток для таймера
	m_tmr->start();
	connect(m_tmr, &Timer::sg_TimOut, this, &MainForm::updateByTimer );
 
 

C++ (Qt)
MainForm::~MainForm()
{
	//delete m_tmr;
	m_tmr->quit();
	delete m_tmr;