(DataFlex) 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 ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    Variant vSbResponse
    Handle hoSbResponse
    Boolean iSuccess
    String sMessageId
    Boolean iSuccess
    Handle hoJson
    String sTemp1
    Integer iTemp1

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // 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).

    Set ComAuthToken Of hoHttp To "MICROSOFT_GRAPH_ACCESS_TOKEN"

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponse
    If (Not(IsComObjectCreated(hoSbResponse))) Begin
        Send CreateComObject of hoSbResponse
    End

    // 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

    Send ComClearUrlVars To hoHttp
    Get ComSetUrlVar Of hoHttp "userPrincipalName" "chilkatsoft@outlook.com" To iSuccess

    // Assume we already have a message ID from previously listing the messages in a folder
    Move "AAMkADYzZWE3YmZmLWU0YzgtNGNkZC04MGE1LWFiYTFlNTRlY2QwYQBGAAAAAAAu7cUXL5YOTrdsUIw7-v8FBwBUcG0qWqkmQYqWLHQataQxAACnwqJUAABUcG0qWqkmQYqWLHQataQxAACnwrnOAAA=" To sMessageId
    Get ComSetUrlVar Of hoHttp "message_id" sMessageId To iSuccess

    // Send the request to list the messages.
    Get pvComObject of hoSbResponse to vSbResponse
    Get ComQuickGetSb Of hoHttp "https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/messages/{$message_id}/attachments" vSbResponse To iSuccess
    Get ComLastStatus Of hoHttp To iTemp1
    If ((iSuccess <> True) And (iTemp1 = 0)) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get pvComObject of hoSbResponse to vSbResponse
    Get ComLoadSb Of hoJson vSbResponse To iSuccess
    Set ComEmitCompact Of hoJson To False

    Get ComLastStatus Of hoHttp To iTemp1
    Showln "Status code = " iTemp1
    Get ComLastStatus Of hoHttp To iTemp1
    If (iTemp1 <> 200) Begin
        Get ComEmit Of hoJson To sTemp1
        Showln sTemp1
        Showln "Failed."
    End

    Send ComClear To hoSbResponse
    Get pvComObject of hoSbResponse to vSbResponse
    Get ComEmitSb Of hoJson vSbResponse To iSuccess
    Get ComWriteFile Of hoSbResponse "qa_output/attachments.txt" "utf-8" False To iSuccess

    Showln "OK"


End_Procedure