Pascal (Lazarus/Delphi)

Outlook Send Email with Attachments

See more Outlook Examples

This example sends a plain-text email with attachments. Other examples exist for:

• Sending plain-text email.
• Sending HTML email.
• Sending HTML email with embedded images.
• Sending HTML email with embedded images and attachments.

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

Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.BinData,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  attach1: TBinData;
  attach2: TBinData;
  json: TJsonObject;
  resp: THttpResponse;

begin
  success := False;

  //  Important: This example requires Chilkat v9.5.0.68 or greater.

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

  http := THttp.Create;

  //  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';

  //  To send mail, we'll POST to the following endpoint:
  //  
  //  POST /users/{id | userPrincipalName}/sendMail
  //  
  //  (The special keyword "me" may be used in place of a principal name.)
  //  

  //  Load the files to be attached.
  attach1 := TBinData.Create;
  attach1.LoadFile('qa_data/pdf/fishing.pdf');
  attach2 := TBinData.Create;
  attach2.LoadFile('qa_data/msword/sample.docx');

  //  The body of the POST request contains JSON that specifies the email subject, body,
  //  recipients, etc.  This example will build the following JSON plain-text email:
  //  

  //  	{
  //  	  "message": {
  //  	    "subject": "Sample Email with Attachments",
  //  	    "body": {
  //  	      "contentType": "Text",
  //  	      "content": "This is the plain-text body..."
  //  	    },
  //  	    "toRecipients": [
  //  	      {
  //  	        "emailAddress": {
  //  		  "name": "Chilkat Software",
  //  	          "address": "admin@chilkat.io"
  //  	        }
  //  	      },
  //  	      {
  //  	        "emailAddress": {
  //  	          "address": "chilkat.support@gmail.com"
  //  	        }
  //  	      }
  //  	    ],
  //  	    "ccRecipients": [
  //  	      {
  //  	        "emailAddress": {
  //  		  "name": "Chilkat Blog",
  //  		  "address": "admin@cknotes.com"
  //  	        }
  //  	      }
  //  	    ],
  //  	    "attachments": [
  //  	       {
  //  	         "@odata.type": "#microsoft.graph.fileAttachment",
  //  	         "name": "fishing.pdf",
  //  	         "contentType": "application/pdf",
  //  	         "size": <theActualSize>,
  //  	         "isInline": false,
  //  	         "contentBytes": "base64_data_here"
  //  	       },
  //  	       {
  //  	         "@odata.type": "#microsoft.graph.fileAttachment",
  //  	         "name": "sample.docx",
  //  	         "contentType": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
  //  	         "size": <theActualSize>,
  //  	         "isInline": false,
  //  	         "contentBytes": "base64_data_here"
  //  	       }
  //  	    ]
  //  	  },
  //  	  "saveToSentItems": true
  //  	}
  //  
  //  Build the above JSON.
  json := TJsonObject.Create;
  json.UpdateString('message.subject','Sample Email with Attachments');
  json.UpdateString('message.body.contentType','Text');
  json.UpdateString('message.body.content','This is the plain-text body...');

  json.UpdateString('message.toRecipients[0].emailAddress.name','Chilkat Software');
  json.UpdateString('message.toRecipients[0].emailAddress.address','admin@chilkat.io');
  json.UpdateString('message.toRecipients[1].emailAddress.address','chilkat.support@gmail.com');
  json.UpdateString('message.ccRecipients[0].emailAddress.name','Chilkat Blog');
  json.UpdateString('message.ccRecipients[0].emailAddress.address','admin@cknotes.com');

  json.UpdateString('message.attachments[0]."@odata.type"','#microsoft.graph.fileAttachment');
  json.UpdateString('message.attachments[0].name','fishing.pdf');
  json.UpdateString('message.attachments[0].contentType','application/pdf');
  json.UpdateInt('message.attachments[0].size',attach1.NumBytes);
  json.UpdateBool('message.attachments[0].isInline',False);
  json.UpdateBd('message.attachments[0].contentBytes','base64',attach1);

  json.UpdateString('message.attachments[1]."@odata.type"','#microsoft.graph.fileAttachment');
  json.UpdateString('message.attachments[1].name','sample.docx');
  json.UpdateString('message.attachments[1].contentType','application/vnd.openxmlformats-officedocument.wordprocessingml.document');
  json.UpdateInt('message.attachments[1].size',attach2.NumBytes);
  json.UpdateBool('message.attachments[1].isInline',False);
  json.UpdateBd('message.attachments[1].contentBytes','base64',attach2);

  json.UpdateBool('saveToSentItems',True);

  //  -------------------------------------------------------------
  //  Important: This example requires Chilkat v9.5.0.68 or greater.
  //  -------------------------------------------------------------

  //  Send the HTTP POST (i.e. send the HTML email)
  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://graph.microsoft.com/v1.0/me/sendMail',json,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  //  The send succeeded if the response status code = 202.
  //  In the success case, there is no response body.  (We just get the response code to know that it succeeded.)
  if (resp.StatusCode <> 202) then
    begin
      json.Load(resp.BodyStr);
      json.EmitCompact := False;
      WriteLn(json.Emit());
      WriteLn('Failed, response status code = ' + resp.StatusCode);
    end
  else
    begin
      WriteLn('Outlook Mail with Attachments Sent.');
    end;


  http.Free;
  attach1.Free;
  attach2.Free;
  json.Free;
  resp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.