Call function few seconds after scroll form in C#

Question

In form there is a timer and I want disable timer.tick when form scrolling and a few seconds after that again timer be enabled. How it is possible? Best regards.

Answer 1

You do not need to stop the timer from ticking. You just need to prevent it from doing anything if someone has scrolled recently.

Write a timestamp each time a scroll occurs. You can do this by subscribing to the Scroll event.

DateTime _lastScrollTime = DateTime.MinValue;

void MyControl_Scroll(object sender ScrollEventArgs e)
{
    _lastScrollTime = DateTime.Now;
}

Then in your timer event, check the timestamp to make sure nobody has scrolled recently before doing anything:

void Timer_Tick(object sender, EventArgs e)
{
    if (_lastScrollTime > DateTime.Now.AddSeconds(-2)) return;

    //Do timer stuff
}