Set a Multipart Part Body from BinData

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Demonstrates Rest.SetMultipartBodyBd, which sets the binary body of the selected multipart part from a BinData.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

var
success: Integer;
rest: TChilkatRest;
bTls: Integer;
bAutoReconnect: Integer;
bdBody: TChilkatBinData;
bLoaded: Integer;
responseText: WideString;

begin
success := 0;

rest := TChilkatRest.Create(Self);
bTls := 1;
bAutoReconnect := 1;
success := rest.Connect('example.com',443,bTls,bAutoReconnect);
if (success = 0) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
//  The file paths are relative to the application's current working directory.  Absolute paths
//  may also be used.  Supply the paths appropriate to your own environment.

//  Select the multipart part to build, and set its header fields.
rest.PartSelector := '1';
rest.AddHeader('Content-Disposition','form-data; name="field1"');
rest.AddHeader('Content-Type','image/png');

//  Set the binary body of the selected part from a BinData.
bdBody := TChilkatBinData.Create(Self);
bLoaded := bdBody.LoadFile('qa_data/image.png');
if (bLoaded <> 1) then
  begin
    Memo1.Lines.Add('Failed to load the part body file.');
    Exit;
  end;
success := rest.SetMultipartBodyBd(bdBody.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

responseText := rest.FullRequestMultipart('POST','/api/upload');
if (rest.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
Memo1.Lines.Add(responseText);