Create Zip Excluding Files Matching Patterns

How to create a .zip archive excluding (skipping) files that match a set of wildcarded patterns.

Download: Chilkat .NET Assemblies

Dim zip As New Chilkat.Zip()

Dim success As Boolean

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


success = zip.NewZip("test.zip")
If (success <> true) Then
    MsgBox(zip.LastErrorText)
    Exit Sub
End If


'  Create a string array object with our set of filename patterns
'  to be excluded:
Dim sa As New Chilkat.StringArray()
sa.Append("*.bak")
sa.Append("*.tmp")

'  Tell the zip object to use these exclusions:
zip.SetExclusions(sa)

'  Append a directory tree.  The AppendFiles does
'  not read the file contents or append them to the zip
'  object in memory.  It simply appends references
'  to the files so that when WriteZip (or WriteZipAndClose,
'  or WriteExe, etc.) is called, the files are compressed
'  and encrypted.
Dim recurse As Boolean
recurse = true
zip.AppendFiles("c:/temp/a/*",recurse)


success = zip.WriteZipAndClose()
If (success <> true) Then
    MsgBox(zip.LastErrorText)
    Exit Sub
End If


MsgBox("Zip Created!")