B4X Requires Chilkat v11.0.0+

Zip One File

See more Zip Examples

Zip a single file. B4X

Dim success As Boolean = False

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

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

success = zip.NewZip("test.zip")
If success = False Then
    Log(zip.LastErrorText)
    Return
End If


'  In this example, the file we wish to zip is /temp/abc123/HelloWorld123.txt

'  Add a reference to a single file by calling AddFile
'  Note: You may use either forward or backward slashes.
Dim saveExtraPath As Boolean = False
success = zip.AddFile("/temp/abc123/HelloWorld123.txt", saveExtraPath)
If success = False Then
    Log(zip.LastErrorText)
    Return
End If


success = zip.WriteZipAndClose
If success = False Then
    Log(zip.LastErrorText)
    Return
End If


'  A .zip containing "HelloWorld123.txt" with no path information has been created.
Log("Zip Created!")

'  Perhaps you want to include a path in the .zip such that when unzipping, a sub-directory
'  is automatically created and the file unzipped into it.  Use PathPrefix:

'  (We'll skip checking the success/failure return value.)

'  Set a PathPrefix to get the relative path you want:
'  The .zip will contain this entry: "myApp/HelloWorld123.txt";
success = zip.NewZip("test2.zip")
zip.PathPrefix = "myApp/"
success = zip.AddFile("/temp/abc123/HelloWorld123.txt", saveExtraPath)
success = zip.WriteZipAndClose