| public TrackTouchDown ( Point position, System.DateTime timestamp ) : void | ||
| position | Point | |
| timestamp | System.DateTime | |
| return | void | |
public void TrackTouchDown(Point position, DateTime timestamp)
{
if (IsCompleted || IsAborted)
{
return;
}
if (!firstTap.IsStarted)
{
firstTap.TrackTouchDown(position, timestamp);
IsStarted = true;
OnGestureStarted();
}
else if (!secondTap.IsStarted)
{
Vector delta = position - firstTap.EndPoint;
if (delta.Length > _maxMovement)
{
AbortGesture();
return;
}
_timer.Stop();
secondTap.TrackTouchDown(position, timestamp);
}
else
{
AbortGesture();
}
}
