Simple Unzip

Demonstrates how to open a .zip archive and unzip. The Unzip method extracts the files and directories from a .zip archive and recreates the directory tree rooted at the directory path passed to Unzip.

Download Chilkat Zip ActiveX

Dim zip As New ChilkatZip2

Dim success As Long

'  Any string unlocks the component for the 1st 30-days.
success = zip.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    MsgBox zip.LastErrorText
    Exit Sub
End If

success = zip.OpenZip("my_photos.zip")
If (success <> 1) Then
    MsgBox zip.LastErrorText
    Exit Sub
End If

Dim unzipCount As Long

'  Returns the number of files and directories unzipped.
'  Unzips to c:/my_photos, re-creating the directory tree
'  from the .zip.
unzipCount = zip.Unzip("c:/my_photos")
If (unzipCount < 0) Then
    MsgBox zip.LastErrorText
Else
    MsgBox "Success!"
End If