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(Delphi ActiveX) Unzip Text File to StringDemonstrates how to open a .zip and extract the 1st file (assuming it's a text file) to a string variable. Note: This example requires Chilkat v11.0.0 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var success: Integer; zip: TChilkatZip; entry: TChilkatZipEntry; fileContents: 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); success := zip.OpenZip('qa_data/zips/EC16100.zip'); if (success = 0) then begin Memo1.Lines.Add(zip.LastErrorText); Exit; end; // Get the 1st file in the .zip entry := TChilkatZipEntry.Create(Self); success := zip.EntryAt(0,entry.ControlInterface); if (success = 0) then begin Memo1.Lines.Add(zip.LastErrorText); Exit; end; fileContents := entry.UnzipToString(0,'utf-8'); Memo1.Lines.Add(fileContents); end; |
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