TaskEventLog Class

public sealed class TaskEventLog : IEnumerable

// Create a log instance for the Maint task in the root directory
TaskEventLog log = new TaskEventLog(@"\Maint",
   // Specify the event id(s) you want to enumerate
   new int[] { 141 /* TaskDeleted */, 201 /* ActionSuccess */ },
   // Specify the start date of the events to enumerate. Here, we look at the last week.
   DateTime.Now.AddDays(-7));

// Tell the enumerator to expose events 'newest first'
log.EnumerateInReverse = false;

// Enumerate the events
foreach (TaskEvent ev in log)
{
   // TaskEvents can interpret event ids into a well known, readable, enumerated type
   if (ev.StandardEventId == StandardTaskEventId.TaskDeleted)
      output.WriteLine($"  Task '{ev.TaskPath}' was deleted");

   // TaskEvent exposes a number of properties regarding the event
   else if (ev.EventId == 201)
      output.WriteLine($"  Completed action '{ev.DataValues["ActionName"]}',
         ({ev.DataValues["ResultCode"]}) at {ev.TimeCreated.Value}.");
}