Chilkat Examples

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(Delphi ActiveX) Outlook -- Delete Email

Demonstrates how to delete email using the Microsoft Graph API.

Note: This example requires Chilkat v9.5.0.68 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_v9_5_0_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
htFolderMap: TChilkatHashtable;
sbMap: TChilkatStringBuilder;
folderId: WideString;
success: Integer;
json: TChilkatJsonObject;
sbResponse: TChilkatStringBuilder;
resp: WideString;
messageId: WideString;
i: Integer;
numEmails: Integer;

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:
http.AuthToken := 'MICROSOFT_GRAPH_ACCESS_TOKEN';

// This example will search /Inbox for a message we want to delete.
// First we need to get the folder ID for /Inbox.
// Then we'll search for messages based on some criteria, and delete the matching messages.

// Get the folder ID for /Inbox from the folder map created by this example 
htFolderMap := TChilkatHashtable.Create(Self);
sbMap := TChilkatStringBuilder.Create(Self);
sbMap.LoadFile('qa_data/outlook/folderMap.xml','utf-8');
htFolderMap.AddFromXmlSb(sbMap.ControlInterface);

// Get the ID for the "/Inbox" folder:
folderId := htFolderMap.LookupStr('/Inbox');
if (htFolderMap.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add('Folder ID not found');
    Exit;
  end;

success := 1;
json := TChilkatJsonObject.Create(Self);
json.EmitCompact := 0;

// Search for emails in this folder with the phrase "Amazon SES" in the subject, and return only the id and subject.
http.SetUrlVar('folder_id',folderId);
http.SetUrlVar('select','id,subject');
http.SetUrlVar('filter','contains(subject,''Amazon SES'')');

sbResponse := TChilkatStringBuilder.Create(Self);
success := http.QuickGetSb('https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}',sbResponse.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;
json.LoadSb(sbResponse.ControlInterface);
// Show the results..
Memo1.Lines.Add(json.Emit());

// Sample results:

// 	{
// 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject)",
// 	  "value": [
// 	    {
// 	      "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl6\"",
// 	      "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=",
// 	      "subject": "Amazon SES Address Verification Request in region US West (Oregon)"
// 	    },
// 	    {
// 	      "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl7\"",
// 	      "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=",
// 	      "subject": "Amazon SES Address Verification Request in region US West (Oregon)"
// 	    }
// 	  ]
// 	}
// 

// ------------
// Proceed to delete each of the above emails...

i := 0;
numEmails := json.SizeOfArray('value');
while i < numEmails do
  begin
    json.I := i;

    messageId := json.StringOf('value[i].id');
    http.SetUrlVar('message_id',messageId);
    Memo1.Lines.Add('Deleting ' + messageId);
    resp := http.QuickDeleteStr('https://graph.microsoft.com/v1.0/me/messages/{$message_id}');
    if (http.LastMethodSuccess <> 1) then
      begin
        Memo1.Lines.Add(http.LastErrorText);
        Exit;
      end;

    // A 204 response indicates success.
    if (http.LastStatus = 204) then
      begin
        Memo1.Lines.Add('Message deleted.');
      end
    else
      begin
        Memo1.Lines.Add('Message not deleted.');
        Memo1.Lines.Add(resp);
      end;
    i := i + 1;
  end;

// Sample output:

// Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=
// Message deleted.
// Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=
// Message deleted.
// 
end;

 

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