public KryptonContextMenuImageSelect()
{
_autoClose = true;
_selectedIndex = -1;
_trackingIndex = -1;
_imageList = null;
_imageIndexStart = -1;
_imageIndexEnd = -1;
_lineItems = 5;
_padding = new Padding(2);
_style = ButtonStyle.LowProfile;
// Timer used to generate tracking change event
_trackingEventTimer = new Timer();
_trackingEventTimer.Interval = 120;
_trackingEventTimer.Tick += new EventHandler(OnTrackingTick);
}