LayoutUpgradeEventArgs PropertiesProvides data for the events raised when upgrading a control's layout (e.g., BaseView.LayoutUpgrade, BarManager.LayoutUpgrade, etc.).
|NewHiddenItems||Returns an array of items that exist in the current control but do not exist in the layout being loaded. These items are hidden. This property is in effect for the LayoutControl.|
|PreviousVersion||Returns the textual representation of the previous layout version.|