public bool Cancel(IOThreadTimer timer)
{
bool flag;
lock (this.ThisLock)
{
if (timer.index <= 0)
{
flag = false;
}
else
{
IOThreadTimer.TimerGroup timerGroup = timer.timerGroup;
IOThreadTimer.TimerQueue timerQueue = timerGroup.TimerQueue;
timerQueue.DeleteTimer(timer);
if (timerQueue.Count <= 0)
{
IOThreadTimer.TimerGroup otherTimerGroup = this.GetOtherTimerGroup(timerGroup);
if (otherTimerGroup.TimerQueue.Count == 0)
{
long now = Ticks.Now;
long dueTime = timerGroup.WaitableTimer.DueTime - now;
long num = otherTimerGroup.WaitableTimer.DueTime - now;
if (dueTime > (long)10000000 && num > (long)10000000)
{
timerGroup.WaitableTimer.Set(Ticks.Add(now, (long)10000000));
}
}
}
else
{
IOThreadTimer.TimerManager.UpdateWaitableTimer(timerGroup);
}
flag = true;
}
}
return(flag);
}
