BetterListViewCheckedItemCollection overview
 Item | Gets or sets the checked item at the specified index. | 
 Add | Check the specified item by adding it to the collection. | 
 AddRange | Check the specified items by adding them in this collection. | 
 Clear | Uncheck all items by clearing the collection. | 
 Contains | Check whether the specified item is contained within the collection (is checked). | 
 IndexOf | Determines the index of the specified item in the list. | 
 Insert | Check the specified item by inserting it to the list at the specified index. | 
 Remove | Uncheck the specified item by removing it from the collection. | 
 RemoveAt | Uncheck the specified item by removing in from the specified position in the list. | 
 RemoveRange | Uncheck the specified items by removing them this collection. | 
 Set | Check just the specified items. | 
 CollectCachedItems | Recreated cached view by collecting items this collection should represent. | 
BetterListViewCheckedItemCollection Class | ComponentOwl.BetterThumbnailBrowser Namespace