Delayed Trigger (trigger event after 1 second)

DelayedTrigger.cs

public partial class Form1 : Form
{
    private DateTime _lastScrollEvent = new DateTime(0);
    
    private async void DetectShapeAsync()
    {
        labelUTVal.Text = (trackBarUniquenessThreshold.Value / 100d).ToString();
        labelHTVal.Text = trackBarHessianThresh.Value.ToString();
    
        _lastScrollEvent = DateTime.Now;
        var span = TimeSpan.FromSeconds(1);
        await Task.Delay(span);
        var delay = DateTime.Now - _lastScrollEvent;
        if (delay < span) return;
    
        DetectShape();
    }
    
    private void trackBarUniquenessThreshold_Scroll(object sender, EventArgs e)
    {
        DetectShapeAsync();
    }
}