C# event debounce

Question

I\'m listening to a hardware event message, but I need to debounce it to avoid too many queries.

This is an hardware event that sends the machine status and I have t

Answer 1

I know I'm a couple hundred thousand minutes late to this party but I figured I'd add my 2 cents. I'm surprised no one has suggested this so I'm assuming there's something I don't know that might make it less than ideal so maybe I'll learn something new if this gets shot down. I often use a solution that uses the System.Threading.Timer's Change() method.

using System.Threading;

Timer delayedActionTimer;

public MyClass()
{
    // Setup our timer
    delayedActionTimer = new Timer(saveOrWhatever, // The method to call when triggered
                                   null, // State object (Not required)
                                   Timeout.Infinite, // Start disabled
                                   Timeout.Infinite); // Don't repeat the trigger
}

// A change was made that we want to save but not until a
// reasonable amount of time between changes has gone by
// so that we're not saving on every keystroke/trigger event.
public void TextChanged()
{
    delayedActionTimer.Change(3000, // Trigger this timers function in 3 seconds,
                                    // overwriting any existing countdown
                              Timeout.Infinite); // Don't repeat this trigger; Only fire once
}

// Timer requires the method take an Object which we've set to null since we don't
// need it for this example
private void saveOrWhatever(Object obj) 
{
    /*Do the thing*/
}