Delphi ActiveX 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. Delphi ActiveX

var
success: Integer;
zip: TChilkatZip;
entry: TChilkatZipEntry;
lineEndingBehavior: Integer;
srcCharset: WideString;
strCsv: WideString;

begin
success := 0;

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

zip := TChilkatZip.Create(Self);

//  Set the password required for decrypting.
zip.DecryptPassword := 'myPassword';

success := zip.OpenZip('encrypted.zip');
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

//  Locate the file within the Zip to be unzipped into a string variable:
entry := TChilkatZipEntry.Create(Self);
success := zip.EntryMatching('*.csv',entry.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

//  lineEndingBehavior:
//  0 = leave unchanged.
//  1 = convert all to bare LF's
//  2 = convert all to CRLF's
lineEndingBehavior := 0;
srcCharset := 'utf-8';

strCsv := entry.UnzipToString(lineEndingBehavior,srcCharset);
Memo1.Lines.Add(strCsv);