This ActiveX OCX can handle zip files with or without passwords , created with pkware or Info-zip based compressors , with the control is very easy to create a powerfull zip utility , the compressor and decompressor is based on Info-zip , the code receive information about the zip file , destination directory , password , arguments and options regarding compression or decompression using an xml like parser that can accept several commands , with the parser it is more easy to detect errors in the information passed to the compressor or decompressor and the commands are intuitive , it will avoid ambiguities on the compression or decompression code , since the parser will evaluate each command and return an error code if the command isnot accepted , and it will inform about missing commands or modifications required in the commands in order to work , future versions may extend the commands available today , the registration grants to you free upgrades for two years