B4X Requires Chilkat v11.0.0+

Zip and Keep Open

See more Zip Examples

Zip a directory tree by calling WriteZip instead of WriteZipAndClose. When WriteZip is called, the created zip is automatically opened and the zip object contains references to the compressed zip entries (mapped entries) contained within the .zip. B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim zip As ChilkatZip
zip.Initialize("zip")

Dim zipPath As String = "c:/temp/myFiles.zip"

'  Initialize the zip object, which also sets the FileName property to the path of the zip to be created.
zip.NewZip(zipPath)

'  Append references to files to be zipped.
Dim recurse As Boolean = True
success = zip.AppendFiles("c:/temp/files_to_zip/*", recurse)
If success = False Then
    Log(zip.LastErrorText)
    Return
End If


'  Write the .zip, but don't close the zip file.
'  The zip file we just created is automatically opened and the zip object
'  now contains entries that are contained within the zip.  (They are memory-mapped entries)
success = zip.WriteZip
If success = False Then
    Log(zip.LastErrorText)
    Return
End If


Log("Successfully created " & zipPath)

'  Let's look at what's in the .zip we just created..

Dim numEntries As Int = zip.NumEntries

Dim entry As ChilkatZipEntry
entry.Initialize("entry")

Dim i As Int = 0
Do While i < numEntries
    zip.EntryAt(i, entry)
    If entry.IsDirectory Then
        Log(i & ": " & entry.FileName & " (directory)")
    Else
        Log(i & ": " & entry.FileName)
    End If

    i = i + 1
Loop

'  Close the zip file when finished.
zip.CloseZip