Unzip an Encrypted Zip

Demonstrates how to open an encrypted .zip archive and unzip.

Download Chilkat 32-bit Zip ActiveX (.msi) (includes objects for .zip, .gz, .bz2, and .Z)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

LOCAL loZip
LOCAL lnSuccess
LOCAL lnUnzipCount

loZip = CreateObject('Chilkat.Zip2')

*  Any string unlocks the component for the 1st 30-days.
lnSuccess = loZip.UnlockComponent("Anything for 30-day trial")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loZip.LastErrorText)
    QUIT
ENDIF

*  Set the password required for decrypting.
loZip.DecryptPassword = "myPassword"

lnSuccess = loZip.OpenZip("encrypted.zip")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loZip.LastErrorText)
    QUIT
ENDIF

*  Returns the number of files and directories unzipped.
lnUnzipCount = loZip.Unzip("c:/unzipDir")
IF (lnUnzipCount < 0) THEN
    =MESSAGEBOX(loZip.LastErrorText)
ELSE
    =MESSAGEBOX("Success!")
ENDIF