Bookmark Count Property. The number of Bookmarks in the collection. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page Count Property Type Default Value Read Only Description [C#] int [Visual Basic] Integer See description. Yes The number of Bookmarks in the collection. Notes The number of Bookmarks in the Collection. As with all Collections you can use the Count property to determine the number of items contained and you can iterate through the collection using the standard methods appropriate to the language you are coding in. Example None. previous page start next page