Delphi ActiveX
Outlook -- Copy Mail Folder and Contents to another Mail Folder

Copy a mailfolder and its contents to another mailfolder.
Chilkat Delphi ActiveX Downloads

Delphi ActiveX
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
success: Integer;
http: TChilkatHttp;
htFolderMap: TChilkatHashtable;
sbMap: TChilkatStringBuilder;
srcFolderId: WideString;
dstFolderId: WideString;
jsonRequestBody: TChilkatJsonObject;
resp: TChilkatHttpResponse;
jsonResponse: TChilkatJsonObject;

begin
success := 0;

// 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 copy /Inbox/abc/subFolderA and its contents to /Inbox/xyz
// We'll need the folder ids for both source and destination folders..

// Get the folder IDs 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 IDs for the source and destination folders.
srcFolderId := htFolderMap.LookupStr('/Inbox/abc/subFolderA');
if (htFolderMap.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add('Folder ID not found');
    Exit;
  end;
dstFolderId := htFolderMap.LookupStr('/Inbox/xyz');
if (htFolderMap.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add('Destination folder ID not found');
    Exit;
  end;

// Create a JSON request body with this content:
// 
// 		{
// 		  "DestinationId": "destinationId-value"
// 		}

jsonRequestBody := TChilkatJsonObject.Create(Self);
jsonRequestBody.UpdateString('DestinationId',dstFolderId);

http.SetUrlVar('src_folder_id',srcFolderId);

// Copy the source folder to the new location
resp := TChilkatHttpResponse.Create(Self);
success := http.HttpJson('POST','https://graph.microsoft.com/v1.0/me/mailFolders/{$src_folder_id}/copy',jsonRequestBody.ControlInterface,'application/json',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// A 201 response indicates success.
if (resp.StatusCode = 201) then
  begin
    Memo1.Lines.Add('Folder copied.');
  end
else
  begin
    Memo1.Lines.Add('Response status code = ' + IntToStr(resp.StatusCode));
    Memo1.Lines.Add('Error: Folder not copied.');
  end;

// Show the response in both cases..
jsonResponse := TChilkatJsonObject.Create(Self);
jsonResponse.EmitCompact := 0;
jsonResponse.Load(resp.BodyStr);
Memo1.Lines.Add(jsonResponse.Emit());

// A sample successful JSON response looks like this:

// 	{
// 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#mailFolder",
// 	  "@odata.type": "#microsoft.graph.mailFolder",
// 	  "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAM6JqMAAAAA=",
// 	  "displayName": "subFolderA",
// 	  "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwEAAAA=",
// 	  "childFolderCount": 1,
// 	  "unreadItemCount": 0,
// 	  "totalItemCount": 0
// 	}
end;