private void ScrollingThread()
{
var sleepWaitHandles = new WaitHandle[] { startScrollEvent, exitScrollThreadEvent };
var exitLoopWaitHandles = new WaitHandle[] { stopScrollEvent, exitScrollThreadEvent };
var stopWatch = new Stopwatch();
long remainingDelay;
// The first loop, sleep/run loop.
for (;;)
{
WaitHandle.WaitAny(sleepWaitHandles);
if (exitScrollThreadEvent.WaitOne(0))
{
return;
}
// The second loop, scrolling loop.
while (round <= totalRounds && WaitHandle.WaitAny(exitLoopWaitHandles, 0) == WaitHandle.WaitTimeout)
{
if (exitScrollThreadEvent.WaitOne(0))
{
return;
}
var stepLength = CalculateScrollDistance();
if (stepLength == 0)
{
break;
}
lock (locker)
{
++round;
remain -= stepLength;
}
stopWatch.Restart();
pageScroller.Scroll(direction, stepLength);
stopWatch.Stop();
remainingDelay = Math.Max(Interval - stopWatch.ElapsedMilliseconds, MinInterval);
// Delay.
WaitHandle.WaitAny(exitLoopWaitHandles, (int)remainingDelay);
}
CleanupScroll();
}
}
private void ScrollingThread(object obj)
{
while (round <= totalRounds)
{
var stepLength = CalculateScrollDistance();
if (stepLength == 0)
{
break;
}
lock (locker)
{
round += 1;
remain -= stepLength;
}
pageScroller.Scroll(direction, stepLength);
Thread.Sleep(Interval);
}
CleanupScroll();
}