Delphi DLL

Load Entire File into BinData

Demonstrates how to load an entire file into a BinData object. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, BinData, FileAccess;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
fac: HCkFileAccess;
bd: HCkBinData;
maxBytesToRead: Integer;

begin
success := False;

fac := CkFileAccess_Create();

success := CkFileAccess_OpenForRead(fac,'qa_data/pdf/sample.pdf');
if (success = False) then
  begin
    Memo1.Lines.Add(CkFileAccess__lastErrorText(fac));
    Exit;
  end;

bd := CkBinData_Create();
maxBytesToRead := 99999999;
success := CkFileAccess_FileReadBd(fac,maxBytesToRead,bd);
if (success = False) then
  begin
    Memo1.Lines.Add(CkFileAccess__lastErrorText(fac));
    Exit;
  end;

CkFileAccess_FileClose(fac);

// The bd object contains the file data...
success := CkBinData_WriteFile(bd,'qa_output/sample.pdf');

CkFileAccess_Dispose(fac);
CkBinData_Dispose(bd);

end;