ActiveZip for ActiveX lets you add high-speed, reliable, zip/unzip functionality to your applications regardless of whether you are manipulating files or memory. The comfortable object oriented class structure will allow you to work quickly and easily regardless of your project's complexity. The ZIPFile class Function AddItem(FileName As String) As ZIPItem Sub Cancel() Property CaseSensitive As Boolean Event Compression(FileName As String, TotalSize As Long, CurrentSize As Long) Event Decompression(FileName As String, TotalSize As Long, CurrentSize As Long) Property DoEvents As Boolean Property FileName As String Function IsCanceled() As Boolean Property Item(Index As Long) As ZIPItem Property ItemCount As Long Function LoadFromFile(FileName As String) As Boolean Function RemoveItem(Index As Long) As Boolean Function SaveToFile(FileName As String) As Boolean The ZIPItem class Property Comment As String Property CompressedSize As Long Property CompressionLevel As Long Property CompressionMethod As Compression Property Content As String Property FileDate As Date Property FileName As String Property IsEncrypted As Boolean Function LoadFromFile(FileName As String, [CacheContent As Boolean = Falsch]) As Boolean Property Password As String Function SaveToFile(FileName As String, [CacheContent As Boolean = Falsch]) As Boolean Property UncompressedSize As Long Unique selling point Zip files or memory buffers into new or existing zip files. Unzip files to disk or directly to memory. Compress and decompress strings or buffers completely in memory. Update one zip file from another one's contents or merge two zip files together. All operations can be aborted at any time. Provides status report events on a file-by-file basis with percentages, byte, and file counts. Easily add any kind of progress bar to your apps through the transparent structure. AES encryption/decryption provides 256-bit military-grade data security. An optimized algorithm improves compression speeds by up to 300% over the competition. Fast, low memory usage compression engine.