SharpZipLib之前叫做NZipLib，完全由 C# 开发的压缩库，支持Zip, GZip, Tar and BZip2 ，为2007年8月最新0852release版的源文件和文档说明！

Changes for v0.85.2 release

Minor tweaks for CF, ZipEntryFactory and ZipFile.

Fix for zip testing and Zip64 local header patching.

FastZip revamped to handle file attributes on extract + other fixes

Null ref in path filter fixed.

Extra data handling fixes

Revamped build and conditional compilation handling

Many bug fixes for Zip64.

Minor improvements to C# samples.

ZIP-1341 Non ascii zip password handling fix.

ZIP-355 Fix for zip compression problem at low levels