public KryptonRibbonGroupCluster()
{
// Default fields
_itemSizeMax = GroupItemSize.Medium;
_itemSizeMin = GroupItemSize.Small;
_itemSizeCurrent = GroupItemSize.Medium;
_visible = true;
// Create collection for holding triple items
_ribbonClusterItems = new KryptonRibbonGroupClusterCollection();
_ribbonClusterItems.Clearing += new EventHandler(OnRibbonGroupClusterClearing);
_ribbonClusterItems.Cleared += new EventHandler(OnRibbonGroupClusterCleared);
_ribbonClusterItems.Inserted += new TypedHandler<KryptonRibbonGroupItem>(OnRibbonGroupClusterInserted);
_ribbonClusterItems.Removed += new TypedHandler<KryptonRibbonGroupItem>(OnRibbonGroupClusterRemoved);
}