Xbase++
Outlook -- List Mail Folders

Uses the Microsoft Graph API to list Outlook mail folders.
Note: This example requires Chilkat v9.5.0.67 or greater.
Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oHttp
LOCAL oSbResponse
LOCAL oJson
LOCAL i
LOCAL nNumFolders

nSuccess := 0

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

oHttp := CreateObject("Chilkat.Http")

//  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).

oHttp:AuthToken := "MICROSOFT_GRAPH_ACCESS_TOKEN"

oSbResponse := CreateObject("Chilkat.StringBuilder")

//  Sends:  GET /users/{id | userPrincipalName}/mailFolders
//  Note: It is also possible to use the literal string "me" for the current logged-on user.
//  For example: GET /me/mailFolders
oHttp:ClearUrlVars()
oHttp:SetUrlVar("userPrincipalName", "chilkatsoft@outlook.com")
nSuccess := oHttp:QuickGetSb("https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/mailFolders", oSbResponse)
IF ((nSuccess != 1) .AND. (oHttp:LastStatus == 0))
    ? oHttp:LastErrorText
    oHttp:destroy()
    oSbResponse:destroy()
    RETURN
ENDIF

oJson := CreateObject("Chilkat.JsonObject")
oJson:LoadSb(oSbResponse)
oJson:EmitCompact := 0

? "Status code = " + Str(oHttp:LastStatus)
IF (oHttp:LastStatus != 200)
    ? oJson:Emit()
    ? "Failed."
ENDIF

? oJson:Emit()
? "----"

//  In my test case, this is the result (see below)
//  Apparently, this lists folders without listing subfolders (aka child folders)
//  There's another REST API call to list child folders.

//  To iterate over the folders:
i := 0
nNumFolders := oJson:SizeOfArray("value")
DO WHILE i < nNumFolders
    oJson:I := i
    ? oJson:StringOf("value[i].displayName")
    i := i + 1
ENDDO

//  The output from the above loop:

//  	Archive
//  	Deleted Items
//  	Drafts
//  	Inbox
//  	Junk Email
//  	Outbox
//  	Sent Items

//  ------------------------------------------------------------------------------------
//  The raw JSON response: 

//  {
//    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('chilkatsoft%40outlook.com')/mailFolders",
//    "value": [
//      {
//        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAG8XunwAAAA=",
//        "displayName": "Archive",
//        "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEIAAAA",
//        "childFolderCount": 0,
//        "unreadItemCount": 0,
//        "totalItemCount": 0
//      },
//      {
//        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEKAAAA",
//        "displayName": "Deleted Items",
//        "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEIAAAA",
//        "childFolderCount": 0,
//        "unreadItemCount": 0,
//        "totalItemCount": 0
//      },
//      {
//        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA",
//        "displayName": "Drafts",
//        "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEIAAAA",
//        "childFolderCount": 0,
//        "unreadItemCount": 0,
//        "totalItemCount": 0
//      },
//      {
//        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA",
//        "displayName": "Inbox",
//        "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEIAAAA",
//        "childFolderCount": 2,
//        "unreadItemCount": 0,
//        "totalItemCount": 4
//      },
//      {
//        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEiAAAA",
//        "displayName": "Junk Email",
//        "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEIAAAA",
//        "childFolderCount": 0,
//        "unreadItemCount": 0,
//        "totalItemCount": 0
//      },
//      {
//        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgELAAAA",
//        "displayName": "Outbox",
//        "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEIAAAA",
//        "childFolderCount": 0,
//        "unreadItemCount": 0,
//        "totalItemCount": 0
//      },
//      {
//        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEJAAAA",
//        "displayName": "Sent Items",
//        "parentFolderId": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEIAAAA",
//        "childFolderCount": 0,
//        "unreadItemCount": 0,
//        "totalItemCount": 14
//      }
//    ]
//  }
//  

//  ------------------------------------------------------------------------------------------------------
//  This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
//  
//  The Microsoft Graph Outlook Mail API lets you read, create, and send messages and attachments, 
//  view and respond to event messages, and manage folders that are secured by Azure Active Directory 
//  in Office 365. It also provides the same functionality in Microsoft accounts specifically 
//  in these domains: Hotmail.com, Live.com, MSN.com, Outlook.com, and Passport.com.

oHttp:destroy()
oSbResponse:destroy()
oJson:destroy()