Delphi DLL

Ftp2 Debug Log File Path

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Demonstrates how to use the DebugLogFilePath property to get information if a Chilkat method crashes or hangs. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Ftp2;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
ftp: HCkFtp2;
remoteFilePath: PWideChar;
localFilePath: PWideChar;

begin
success := False;

ftp := CkFtp2_Create();

// ...
// ...

// Insert this code just before the method call that crashes or hangs.
CkFtp2_putVerboseLogging(ftp,True);
CkFtp2_putDebugLogFilePath(ftp,'/some/file/path/sftp_debug_log.txt');

// Make the call that crashes or hangs,
// for example, if the method is PutFile:

remoteFilePath := '...';
localFilePath := '...';
success := CkFtp2_PutFile(ftp,localFilePath,remoteFilePath);

// Note: If the method returns control to your application code, then it did not crash within Chilkat.
// The DebugLogFilePath property causes all information that would be recorded in the LastErrorText to be emitted to the
// log file (with immediate file write flushing, i.e. no buffering).  Thus, in a crash situation,
// the log file will contain information up to the point of the crash.

if (success = False) then
  begin
    Memo1.Lines.Add(CkFtp2__lastErrorText(ftp));
    Exit;
  end;

CkFtp2_Dispose(ftp);

end;