(MFC) Outlook -- Delete Email

Demonstrates how to delete email using the Microsoft Graph API.

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkHashtable.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;

    // Use your previously obtained access token here:
    http.put_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 
    CkHashtable htFolderMap;
    CkStringBuilder sbMap;
    sbMap.LoadFile("qa_data/outlook/folderMap.xml","utf-8");
    htFolderMap.AddFromXmlSb(sbMap);

    // Get the ID for the "/Inbox" folder:
    const char *folderId = htFolderMap.lookupStr("/Inbox");
    if (htFolderMap.get_LastMethodSuccess() != true) {
        strOut.append("Folder ID not found");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    bool success = true;
    CkJsonObject json;
    json.put_EmitCompact(false);

    // 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')");

    CkStringBuilder sbResponse;
    success = http.QuickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}",sbResponse);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    json.LoadSb(sbResponse);
    // Show the results..
    strOut.append(json.emit());
    strOut.append("\r\n");

    // 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...
    const char *resp = 0;
    const char *messageId = 0;
    int i = 0;
    int numEmails = json.SizeOfArray("value");
    while (i < numEmails) {
        json.put_I(i);

        messageId = json.stringOf("value[i].id");
        http.SetUrlVar("message_id",messageId);
        strOut.append("Deleting ");
        strOut.append(messageId);
        strOut.append("\r\n");
        resp = http.quickDeleteStr("https://graph.microsoft.com/v1.0/me/messages/{$message_id}");
        if (http.get_LastMethodSuccess() != true) {
            strOut.append(http.lastErrorText());
            strOut.append("\r\n");
            SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
            return;
        }

        // A 204 response indicates success.
        if (http.get_LastStatus() == 204) {
            strOut.append("Message deleted.");
            strOut.append("\r\n");
        }
        else {
            strOut.append("Message not deleted.");
            strOut.append("\r\n");
            strOut.append(resp);
            strOut.append("\r\n");
        }

        i = i + 1;
    }

    // Sample output:

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


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }