XHtmlOptions PageCacheSize Property. The number of pages that can be held in the cache. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page PageCacheSize Property Type Default Value Read Only Description [C#] int [Visual Basic] Integer 100 No The number of pages that can be held in the cache. Notes ABCpdf holds a cache of recently requested URLs and it's only after five minutes or so that these pages expire from the cache. This results in a considerable degree of optimization for many common operations. You can modify the number of items which can be held in the URL cache using this parameter. This value cannot be reduced to zero. Example None. previous page start next page