Networking COM components
BIGSPEED Peer-to-Peer SDK
BIGSPEED File Sharing SDK
BIGSPEED Secure Socket Library
  Data compression libraries
BIGSPEED Zip OCX
BIGSPEED Zip DLL
BIGSPEED Deflate DLL
  Desktop Applications
BIGSPEED Zipper
  Articles
Building a private Peer-to-Peer network with VB.NET 2005
Secure private file sharing Client/Server with VC
Remote file compression with VB.NET
Secure private chat application with VB.NET
  Technologies
Secure Data Exchange Protocol
Virtual private P2P
Zip8 format
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BigSpeed Zip OCX

Handle various aspects of zip files from your program
Version 3.0
 
  Description
BigSpeed Zip OCX is an ActiveX control that lets developers add zip compression functionality to any 32-bit Windows application. The component offers a wide variety of standard and advanced Zip file manipulation functions. On top of that, the library offers two unique features that cannot be found anywhere else. The set of methods, properties and events is carefully designed for easy implementation of the most typical tasks related to zip files. With several lines of additional code, developers can create their own zip file manager, backup utility or text search tool for a couple of minutes.
 
  Key Features
  Open, browse, and extract zip files located on web servers without downloading in advance
  Search for files and text inside all zip archives on the disk drives
  Hand-optimized assembler code for maximum speed
  Virtually unlimited file size in extended Zip8 format (no 4GB limit)
  Reads and writes zip files that span multiple disks
  Reads and writes multi-part zip files directly to hard drive
  Obtain global information on a zip file
  Obtain a detailed list of a zip file's contents
  Delete files from within a zip file
  Test the integrity of a zip file and its contents
  Provides status report events with percentages, byte and file counts
  All operations can be aborted at any time
  Multi-threaded, fully self-contained ActiveX control
 
  Take a try
The link below will download a free no obligation 30-day trial version.

Click here to download a free trial from bigspeed.net
 
  How to purchase
A single developer license costs $150.00 USD and comes with royalty-free distribution rights for client applications. It may be purchased using a credit card, international money order or check. After completing the payment you will receive an email with instructions how to download the full version. Registered users are eligible for free technical support and free upgrades to minor versions.

Click here to buy a license online now.
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