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Question:

File Size in zip

Aug 14 '14 at 07:43

how do you know the size of files in the archive? It is necessary to determine how much free space required on the drive to unpack

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Answer

The ChilkatZipEntry object has UncompressedLength and UncompressedLengthStr properties. Loop through the objects and add up all the uncompressed lengths to get the total required space in bytes.