(Delphi ActiveX) Outlook -- List Attachments for a Specific Message

Demonstrates how to list the attachments for a particular email message.

Note: This example requires Chilkat v9.5.0.67 or greater.

This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

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
http: TChilkatHttp;
sbResponse: TChilkatStringBuilder;
messageId: WideString;
success: Integer;
json: TChilkatJsonObject;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);

// Use your previously obtained access token here:
// See the following examples for getting an access token:
//    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
//    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
//    Refresh Access Token (Azure AD v2.0 Endpoint).
//    Refresh Access Token (Azure AD Endpoint).

http.AuthToken := 'MICROSOFT_GRAPH_ACCESS_TOKEN';

sbResponse := TChilkatStringBuilder.Create(Self);

// Sends:  GET /users/{user_id | userPrincipalName}/messages/{message_id}/attachments
// Note: It is also possible to use the literal string "me" for the current logged-on user.
// For example: GET /me/messages/{message_id}/attachments

http.ClearUrlVars();
http.SetUrlVar('userPrincipalName','chilkatsoft@outlook.com');

// Assume we already have a message ID from previously listing the messages in a folder
messageId := 'AAMkADYzZWE3YmZmLWU0YzgtNGNkZC04MGE1LWFiYTFlNTRlY2QwYQBGAAAAAAAu7cUXL5YOTrdsUIw7-v8FBwBUcG0qWqkmQYqWLHQataQxAACnwqJUAABUcG0qWqkmQYqWLHQataQxAACnwrnOAAA=';
http.SetUrlVar('message_id',messageId);

// Send the request to list the messages.
success := http.QuickGetSb('https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/messages/{$message_id}/attachments',sbResponse.ControlInterface);
if ((success <> 1) and (http.LastStatus = 0)) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.LoadSb(sbResponse.ControlInterface);
json.EmitCompact := 0;

Memo1.Lines.Add('Status code = ' + IntToStr(http.LastStatus));
if (http.LastStatus <> 200) then
  begin
    Memo1.Lines.Add(json.Emit());
    Memo1.Lines.Add('Failed.');
  end;

sbResponse.Clear();
json.EmitSb(sbResponse.ControlInterface);
sbResponse.WriteFile('qa_output/attachments.txt','utf-8',0);

Memo1.Lines.Add('OK');
end;