Sample code for 30+ languages & platforms
C#

Outlook -- Delete Email

See more Outlook Examples

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 C# Downloads

C#
bool success = false;

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

Chilkat.Http http = new Chilkat.Http();

// 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 
Chilkat.Hashtable htFolderMap = new Chilkat.Hashtable();
Chilkat.StringBuilder sbMap = new Chilkat.StringBuilder();
sbMap.LoadFile("qa_data/outlook/folderMap.xml","utf-8");
htFolderMap.AddFromXmlSb(sbMap);

// Get the ID for the "/Inbox" folder:
string folderId = htFolderMap.LookupStr("/Inbox");
if (htFolderMap.LastMethodSuccess != true) {
    Debug.WriteLine("Folder ID not found");
    return;
}

success = true;
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.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')");

Chilkat.StringBuilder sbResponse = new Chilkat.StringBuilder();
success = http.QuickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}",sbResponse);
if (success != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

json.LoadSb(sbResponse);
// Show the results..
Debug.WriteLine(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...
string resp;
string messageId;
int i = 0;
int numEmails = json.SizeOfArray("value");
while (i < numEmails) {
    json.I = i;

    messageId = json.StringOf("value[i].id");
    http.SetUrlVar("message_id",messageId);
    Debug.WriteLine("Deleting " + messageId);
    resp = http.QuickDeleteStr("https://graph.microsoft.com/v1.0/me/messages/{$message_id}");
    if (http.LastMethodSuccess != true) {
        Debug.WriteLine(http.LastErrorText);
        return;
    }

    // A 204 response indicates success.
    if (http.LastStatus == 204) {
        Debug.WriteLine("Message deleted.");
    }
    else {
        Debug.WriteLine("Message not deleted.");
        Debug.WriteLine(resp);
    }

    i = i + 1;
}

// Sample output:

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