Synchronizing a timer to prevent overlap

Question

I\'m writing a Windows service that runs a variable length activity at intervals (a database scan and update). I need this task to run frequently, but the code to handle isn

Answer 1

I'd use Monitor.TryEnter in your elapsed code:

if (Monitor.TryEnter(lockobj))
{
  try
  {
    // we got the lock, do your work
  }
  finally
  {
     Monitor.Exit(lockobj);
  }
}
else
{
  // another elapsed has the lock
}