Create a WinZip file and is there a way to prevent winzip from reading it
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I create a zip file and do not want winzip to open it. that is say I have a.zip now I only want my app to be able to open this file and not winzip. Once my app takes control then winzip can be used internally to extract the file contents. Any idea?
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Add your own header onto the start, confusing winzip. Then when your app opens it, strip the header off, and get winzip to unzip the original zip. Messy and ineffecient yes, but easy.
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I create a zip file and do not want winzip to open it. that is say I have a.zip now I only want my app to be able to open this file and not winzip. Once my app takes control then winzip can be used internally to extract the file contents. Any idea?
If you want custom stuff you can use the PKWARE Data Compression Library. I have use them before to compress very large amounts of data. They allow you to create your own file formats and use PKZIP quality compression. http://www.pkware.com/products/developers/dcl/ Jonathan Craig www.mcw-tech.com
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How do you "get winzip unzip the original zip"? Does winzip support command line parameters or is there anyway to make winzip work for my own application? Thanks.
Winzip does support command line parameters, it is a add-on. You can download it from their web site. Jonathan Craig www.mcw-tech.com