Sample code for 30+ languages & platforms
VB.NET Requires Chilkat v11.0.0+

Unzip Encrypted Text into a String Variable

See more Zip Examples

Demonstrates how to open an encrypted .zip archive and unzip a text file directly into a string variable.

Chilkat VB.NET Downloads

VB.NET
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 New Chilkat.Zip

'  Set the password required for decrypting.
zip.DecryptPassword = "myPassword"

success = zip.OpenZip("encrypted.zip")
If (success = False) Then
    Debug.WriteLine(zip.LastErrorText)
    Exit Sub
End If


'  Locate the file within the Zip to be unzipped into a string variable:
Dim entry As New Chilkat.ZipEntry
success = zip.EntryMatching("*.csv",entry)
If (success = False) Then
    Debug.WriteLine(zip.LastErrorText)
    Exit Sub
End If


'  lineEndingBehavior:
'  0 = leave unchanged.
'  1 = convert all to bare LF's
'  2 = convert all to CRLF's
Dim lineEndingBehavior As Integer = 0
Dim srcCharset As String = "utf-8"

Dim strCsv As String = entry.UnzipToString(lineEndingBehavior,srcCharset)
Debug.WriteLine(strCsv)