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(Delphi ActiveX) Ungzip Base64 StringSuppose you have a gzip in base64 representation that contains a text file, such as XML. This example shows how to decompress and access the string.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var gzip: TChilkatGzip; gzipBase64: WideString; bd: TChilkatBinData; success: Integer; strXml: WideString; begin // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. gzip := TChilkatGzip.Create(Self); gzipBase64 := 'H4sIAAAAAAAE ... X6aZjXO3EwAA'; bd := TChilkatBinData.Create(Self); success := bd.AppendEncoded(gzipBase64,'base64'); success := gzip.UncompressBd(bd.ControlInterface); if (success <> 1) then begin Memo1.Lines.Add(gzip.LastErrorText); Exit; end; strXml := bd.GetString('utf-8'); Memo1.Lines.Add('XML:'); Memo1.Lines.Add(strXml); end; |
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